Home / 53,207.01-79,834.95-19,929.78

Finding the Fourth Proportional to 53,207.01, 79,834.95 and 19,929.78

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Solution

The fourth proportional to 53,207.01, 79,834.95 and 19,929.78 is: 29,903.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,207.01 : 79,834.95 = 19,929.78 : x
  2. Step 2: Convert to fraction form
    53,207.01/79,834.95 = 19,929.78/x
  3. Step 3: Cross multiply
    53,207.01x = 79,834.95 × 19,929.78
  4. Step 4: Simplify right side
    53,207.01x = 1,591,092,989.81
  5. Step 5: Solve for x
    x = 1,591,092,989.81/53,207.01
  6. Step 6: Final answer
    x = 29,903.82

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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.