Home / 52,405.80-72,320.01-28,532.46

Finding the Fourth Proportional to 52,405.80, 72,320.01 and 28,532.46

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Solution

The fourth proportional to 52,405.80, 72,320.01 and 28,532.46 is: 39,374.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,405.80 : 72,320.01 = 28,532.46 : x
  2. Step 2: Convert to fraction form
    52,405.80/72,320.01 = 28,532.46/x
  3. Step 3: Cross multiply
    52,405.80x = 72,320.01 × 28,532.46
  4. Step 4: Simplify right side
    52,405.80x = 2,063,467,792.52
  5. Step 5: Solve for x
    x = 2,063,467,792.52/52,405.80
  6. Step 6: Final answer
    x = 39,374.80

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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.