Home / 42,746.74-64,120.82-14,699.07

Finding the Fourth Proportional to 42,746.74, 64,120.82 and 14,699.07

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Solution

The fourth proportional to 42,746.74, 64,120.82 and 14,699.07 is: 22,048.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,746.74 : 64,120.82 = 14,699.07 : x
  2. Step 2: Convert to fraction form
    42,746.74/64,120.82 = 14,699.07/x
  3. Step 3: Cross multiply
    42,746.74x = 64,120.82 × 14,699.07
  4. Step 4: Simplify right side
    42,746.74x = 942,516,348.14
  5. Step 5: Solve for x
    x = 942,516,348.14/42,746.74
  6. Step 6: Final answer
    x = 22,048.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.