Home / 47,689.13-71,525.94-19,603.49

Finding the Fourth Proportional to 47,689.13, 71,525.94 and 19,603.49

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Solution

The fourth proportional to 47,689.13, 71,525.94 and 19,603.49 is: 29,402.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,689.13 : 71,525.94 = 19,603.49 : x
  2. Step 2: Convert to fraction form
    47,689.13/71,525.94 = 19,603.49/x
  3. Step 3: Cross multiply
    47,689.13x = 71,525.94 × 19,603.49
  4. Step 4: Simplify right side
    47,689.13x = 1,402,158,049.53
  5. Step 5: Solve for x
    x = 1,402,158,049.53/47,689.13
  6. Step 6: Final answer
    x = 29,402.05

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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.