Home / 39,056.50-53,897.96-21,151.52

Finding the Fourth Proportional to 39,056.50, 53,897.96 and 21,151.52

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Solution

The fourth proportional to 39,056.50, 53,897.96 and 21,151.52 is: 29,189.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,056.50 : 53,897.96 = 21,151.52 : x
  2. Step 2: Convert to fraction form
    39,056.50/53,897.96 = 21,151.52/x
  3. Step 3: Cross multiply
    39,056.50x = 53,897.96 × 21,151.52
  4. Step 4: Simplify right side
    39,056.50x = 1,140,023,778.90
  5. Step 5: Solve for x
    x = 1,140,023,778.90/39,056.50
  6. Step 6: Final answer
    x = 29,189.09

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1.5x scale

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.