Home / 42,020.89-57,985.80-24,115.45

Finding the Fourth Proportional to 42,020.89, 57,985.80 and 24,115.45

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Solution

The fourth proportional to 42,020.89, 57,985.80 and 24,115.45 is: 33,277.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,020.89 : 57,985.80 = 24,115.45 : x
  2. Step 2: Convert to fraction form
    42,020.89/57,985.80 = 24,115.45/x
  3. Step 3: Cross multiply
    42,020.89x = 57,985.80 × 24,115.45
  4. Step 4: Simplify right side
    42,020.89x = 1,398,353,660.61
  5. Step 5: Solve for x
    x = 1,398,353,660.61/42,020.89
  6. Step 6: Final answer
    x = 33,277.58

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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.