Home / 42,140.45-58,154.02-23,020.49

Finding the Fourth Proportional to 42,140.45, 58,154.02 and 23,020.49

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Solution

The fourth proportional to 42,140.45, 58,154.02 and 23,020.49 is: 31,768.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,140.45 : 58,154.02 = 23,020.49 : x
  2. Step 2: Convert to fraction form
    42,140.45/58,154.02 = 23,020.49/x
  3. Step 3: Cross multiply
    42,140.45x = 58,154.02 × 23,020.49
  4. Step 4: Simplify right side
    42,140.45x = 1,338,734,035.87
  5. Step 5: Solve for x
    x = 1,338,734,035.87/42,140.45
  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.