Home / 42,631.38-58,814.10-28,298.16

Finding the Fourth Proportional to 42,631.38, 58,814.10 and 28,298.16

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Solution

The fourth proportional to 42,631.38, 58,814.10 and 28,298.16 is: 39,040.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,631.38 : 58,814.10 = 28,298.16 : x
  2. Step 2: Convert to fraction form
    42,631.38/58,814.10 = 28,298.16/x
  3. Step 3: Cross multiply
    42,631.38x = 58,814.10 × 28,298.16
  4. Step 4: Simplify right side
    42,631.38x = 1,664,330,812.06
  5. Step 5: Solve for x
    x = 1,664,330,812.06/42,631.38
  6. Step 6: Final answer
    x = 39,040.04

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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.