Home / 52,402.31-72,316.70-28,529.39

Finding the Fourth Proportional to 52,402.31, 72,316.70 and 28,529.39

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Solution

The fourth proportional to 52,402.31, 72,316.70 and 28,529.39 is: 39,371.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,402.31 : 72,316.70 = 28,529.39 : x
  2. Step 2: Convert to fraction form
    52,402.31/72,316.70 = 28,529.39/x
  3. Step 3: Cross multiply
    52,402.31x = 72,316.70 × 28,529.39
  4. Step 4: Simplify right side
    52,402.31x = 2,063,150,833.58
  5. Step 5: Solve for x
    x = 2,063,150,833.58/52,402.31
  6. Step 6: Final answer
    x = 39,371.38

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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.