Home / 52,453.04-72,384.28-28,579.88

Finding the Fourth Proportional to 52,453.04, 72,384.28 and 28,579.88

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Solution

The fourth proportional to 52,453.04, 72,384.28 and 28,579.88 is: 39,439.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,453.04 : 72,384.28 = 28,579.88 : x
  2. Step 2: Convert to fraction form
    52,453.04/72,384.28 = 28,579.88/x
  3. Step 3: Cross multiply
    52,453.04x = 72,384.28 × 28,579.88
  4. Step 4: Simplify right side
    52,453.04x = 2,068,734,036.29
  5. Step 5: Solve for x
    x = 2,068,734,036.29/52,453.04
  6. Step 6: Final answer
    x = 39,439.74

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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.