Home / 52,818.38-72,889.36-28,945.99

Finding the Fourth Proportional to 52,818.38, 72,889.36 and 28,945.99

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Solution

The fourth proportional to 52,818.38, 72,889.36 and 28,945.99 is: 39,945.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,818.38 : 72,889.36 = 28,945.99 : x
  2. Step 2: Convert to fraction form
    52,818.38/72,889.36 = 28,945.99/x
  3. Step 3: Cross multiply
    52,818.38x = 72,889.36 × 28,945.99
  4. Step 4: Simplify right side
    52,818.38x = 2,109,854,685.67
  5. Step 5: Solve for x
    x = 2,109,854,685.67/52,818.38
  6. Step 6: Final answer
    x = 39,945.46

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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.