Home / 42,140.61-58,154.13-23,020.53

Finding the Fourth Proportional to 42,140.61, 58,154.13 and 23,020.53

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Solution

The fourth proportional to 42,140.61, 58,154.13 and 23,020.53 is: 31,768.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,140.61 : 58,154.13 = 23,020.53 : x
  2. Step 2: Convert to fraction form
    42,140.61/58,154.13 = 23,020.53/x
  3. Step 3: Cross multiply
    42,140.61x = 58,154.13 × 23,020.53
  4. Step 4: Simplify right side
    42,140.61x = 1,338,738,894.29
  5. Step 5: Solve for x
    x = 1,338,738,894.29/42,140.61
  6. Step 6: Final answer
    x = 31,768.38

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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.