Home / 42,537.15-58,752.84-31,190.27

Finding the Fourth Proportional to 42,537.15, 58,752.84 and 31,190.27

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Solution

The fourth proportional to 42,537.15, 58,752.84 and 31,190.27 is: 43,080.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,537.15 : 58,752.84 = 31,190.27 : x
  2. Step 2: Convert to fraction form
    42,537.15/58,752.84 = 31,190.27/x
  3. Step 3: Cross multiply
    42,537.15x = 58,752.84 × 31,190.27
  4. Step 4: Simplify right side
    42,537.15x = 1,832,516,766.07
  5. Step 5: Solve for x
    x = 1,832,516,766.07/42,537.15
  6. Step 6: Final answer
    x = 43,080.38

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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.