Home / 47,135.23-70,687.81-15,539.40

Finding the Fourth Proportional to 47,135.23, 70,687.81 and 15,539.40

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Solution

The fourth proportional to 47,135.23, 70,687.81 and 15,539.40 is: 23,304.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,135.23 : 70,687.81 = 15,539.40 : x
  2. Step 2: Convert to fraction form
    47,135.23/70,687.81 = 15,539.40/x
  3. Step 3: Cross multiply
    47,135.23x = 70,687.81 × 15,539.40
  4. Step 4: Simplify right side
    47,135.23x = 1,098,446,154.71
  5. Step 5: Solve for x
    x = 1,098,446,154.71/47,135.23
  6. Step 6: Final answer
    x = 23,304.14

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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.