Home / 38,037,171.48-52,491,292.20-21,516,942

Finding the Fourth Proportional to 38,037,171.48, 52,491,292.20 and 21,516,942

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Solution

The fourth proportional to 38,037,171.48, 52,491,292.20 and 21,516,942 is: 29,693,377.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,037,171.48 : 52,491,292.20 = 21,516,942 : x
  2. Step 2: Convert to fraction form
    38,037,171.48/52,491,292.20 = 21,516,942/x
  3. Step 3: Cross multiply
    38,037,171.48x = 52,491,292.20 × 21,516,942
  4. Step 4: Simplify right side
    38,037,171.48x = 1,129,452,089,772,452.50
  5. Step 5: Solve for x
    x = 1,129,452,089,772,452.50/38,037,171.48
  6. Step 6: Final answer
    x = 29,693,377.45

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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.