Home / 42,587.08-58,698.10-29,135.12

Finding the Fourth Proportional to 42,587.08, 58,698.10 and 29,135.12

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Solution

The fourth proportional to 42,587.08, 58,698.10 and 29,135.12 is: 40,157.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,587.08 : 58,698.10 = 29,135.12 : x
  2. Step 2: Convert to fraction form
    42,587.08/58,698.10 = 29,135.12/x
  3. Step 3: Cross multiply
    42,587.08x = 58,698.10 × 29,135.12
  4. Step 4: Simplify right side
    42,587.08x = 1,710,176,187.27
  5. Step 5: Solve for x
    x = 1,710,176,187.27/42,587.08
  6. Step 6: Final answer
    x = 40,157.16

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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.