Home / 47,130.79-70,681.20-15,534.97

Finding the Fourth Proportional to 47,130.79, 70,681.20 and 15,534.97

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Solution

The fourth proportional to 47,130.79, 70,681.20 and 15,534.97 is: 23,297.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,130.79 : 70,681.20 = 15,534.97 : x
  2. Step 2: Convert to fraction form
    47,130.79/70,681.20 = 15,534.97/x
  3. Step 3: Cross multiply
    47,130.79x = 70,681.20 × 15,534.97
  4. Step 4: Simplify right side
    47,130.79x = 1,098,029,968.16
  5. Step 5: Solve for x
    x = 1,098,029,968.16/47,130.79
  6. Step 6: Final answer
    x = 23,297.51

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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.