Home / 58,140.39-80,262.18-39,013.32

Finding the Fourth Proportional to 58,140.39, 80,262.18 and 39,013.32

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Solution

The fourth proportional to 58,140.39, 80,262.18 and 39,013.32 is: 53,857.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,140.39 : 80,262.18 = 39,013.32 : x
  2. Step 2: Convert to fraction form
    58,140.39/80,262.18 = 39,013.32/x
  3. Step 3: Cross multiply
    58,140.39x = 80,262.18 × 39,013.32
  4. Step 4: Simplify right side
    58,140.39x = 3,131,294,112.24
  5. Step 5: Solve for x
    x = 3,131,294,112.24/58,140.39
  6. Step 6: Final answer
    x = 53,857.47

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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.