Home / 42,189.76-58,221.12-23,328.64

Finding the Fourth Proportional to 42,189.76, 58,221.12 and 23,328.64

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Solution

The fourth proportional to 42,189.76, 58,221.12 and 23,328.64 is: 32,193.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,189.76 : 58,221.12 = 23,328.64 : x
  2. Step 2: Convert to fraction form
    42,189.76/58,221.12 = 23,328.64/x
  3. Step 3: Cross multiply
    42,189.76x = 58,221.12 × 23,328.64
  4. Step 4: Simplify right side
    42,189.76x = 1,358,219,548.88
  5. Step 5: Solve for x
    x = 1,358,219,548.88/42,189.76
  6. Step 6: Final answer
    x = 32,193.11

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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.