Home / 45,013.31-67,523.24-15,430.89

Finding the Fourth Proportional to 45,013.31, 67,523.24 and 15,430.89

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Solution

The fourth proportional to 45,013.31, 67,523.24 and 15,430.89 is: 23,147.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,013.31 : 67,523.24 = 15,430.89 : x
  2. Step 2: Convert to fraction form
    45,013.31/67,523.24 = 15,430.89/x
  3. Step 3: Cross multiply
    45,013.31x = 67,523.24 × 15,430.89
  4. Step 4: Simplify right side
    45,013.31x = 1,041,943,727.46
  5. Step 5: Solve for x
    x = 1,041,943,727.46/45,013.31
  6. Step 6: Final answer
    x = 23,147.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.