Home / 52,449.64-72,381.36-28,577.32

Finding the Fourth Proportional to 52,449.64, 72,381.36 and 28,577.32

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Solution

The fourth proportional to 52,449.64, 72,381.36 and 28,577.32 is: 39,437.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,449.64 : 72,381.36 = 28,577.32 : x
  2. Step 2: Convert to fraction form
    52,449.64/72,381.36 = 28,577.32/x
  3. Step 3: Cross multiply
    52,449.64x = 72,381.36 × 28,577.32
  4. Step 4: Simplify right side
    52,449.64x = 2,068,465,286.76
  5. Step 5: Solve for x
    x = 2,068,465,286.76/52,449.64
  6. Step 6: Final answer
    x = 39,437.17

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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.