Home / 42,638.84-58,840.76-23,520.36

Finding the Fourth Proportional to 42,638.84, 58,840.76 and 23,520.36

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Solution

The fourth proportional to 42,638.84, 58,840.76 and 23,520.36 is: 32,457.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,638.84 : 58,840.76 = 23,520.36 : x
  2. Step 2: Convert to fraction form
    42,638.84/58,840.76 = 23,520.36/x
  3. Step 3: Cross multiply
    42,638.84x = 58,840.76 × 23,520.36
  4. Step 4: Simplify right side
    42,638.84x = 1,383,955,857.87
  5. Step 5: Solve for x
    x = 1,383,955,857.87/42,638.84
  6. Step 6: Final answer
    x = 32,457.63

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.