Home / 38,434,863.80-53,041,301.80-21,031,942.52

Finding the Fourth Proportional to 38,434,863.80, 53,041,301.80 and 21,031,942.52

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Solution

The fourth proportional to 38,434,863.80, 53,041,301.80 and 21,031,942.52 is: 29,024,731.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,434,863.80 : 53,041,301.80 = 21,031,942.52 : x
  2. Step 2: Convert to fraction form
    38,434,863.80/53,041,301.80 = 21,031,942.52/x
  3. Step 3: Cross multiply
    38,434,863.80x = 53,041,301.80 × 21,031,942.52
  4. Step 4: Simplify right side
    38,434,863.80x = 1,115,561,610,643,572.50
  5. Step 5: Solve for x
    x = 1,115,561,610,643,572.50/38,434,863.80
  6. Step 6: Final answer
    x = 29,024,731.72

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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.