Home / 38,429,148.60-53,032,162.96-21,025,564

Finding the Fourth Proportional to 38,429,148.60, 53,032,162.96 and 21,025,564

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Solution

The fourth proportional to 38,429,148.60, 53,032,162.96 and 21,025,564 is: 29,015,244.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,429,148.60 : 53,032,162.96 = 21,025,564 : x
  2. Step 2: Convert to fraction form
    38,429,148.60/53,032,162.96 = 21,025,564/x
  3. Step 3: Cross multiply
    38,429,148.60x = 53,032,162.96 × 21,025,564
  4. Step 4: Simplify right side
    38,429,148.60x = 1,115,031,136,373,909.50
  5. Step 5: Solve for x
    x = 1,115,031,136,373,909.50/38,429,148.60
  6. Step 6: Final answer
    x = 29,015,244.34

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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.