Home / 52,212.48-72,053.28-28,339.17

Finding the Fourth Proportional to 52,212.48, 72,053.28 and 28,339.17

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Solution

The fourth proportional to 52,212.48, 72,053.28 and 28,339.17 is: 39,108.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,212.48 : 72,053.28 = 28,339.17 : x
  2. Step 2: Convert to fraction form
    52,212.48/72,053.28 = 28,339.17/x
  3. Step 3: Cross multiply
    52,212.48x = 72,053.28 × 28,339.17
  4. Step 4: Simplify right side
    52,212.48x = 2,041,930,150.98
  5. Step 5: Solve for x
    x = 2,041,930,150.98/52,212.48
  6. Step 6: Final answer
    x = 39,108.09

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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.