Home / 39,521,726.88-54,539,983.10-21,433,790.88

Finding the Fourth Proportional to 39,521,726.88, 54,539,983.10 and 21,433,790.88

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Solution

The fourth proportional to 39,521,726.88, 54,539,983.10 and 21,433,790.88 is: 29,578,631.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,521,726.88 : 54,539,983.10 = 21,433,790.88 : x
  2. Step 2: Convert to fraction form
    39,521,726.88/54,539,983.10 = 21,433,790.88/x
  3. Step 3: Cross multiply
    39,521,726.88x = 54,539,983.10 × 21,433,790.88
  4. Step 4: Simplify right side
    39,521,726.88x = 1,168,998,592,364,134
  5. Step 5: Solve for x
    x = 1,168,998,592,364,134/39,521,726.88
  6. Step 6: Final answer
    x = 29,578,631.42

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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.