Home / 51,637.52-77,446.96-13,687.04

Finding the Fourth Proportional to 51,637.52, 77,446.96 and 13,687.04

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Solution

The fourth proportional to 51,637.52, 77,446.96 and 13,687.04 is: 20,528.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,637.52 : 77,446.96 = 13,687.04 : x
  2. Step 2: Convert to fraction form
    51,637.52/77,446.96 = 13,687.04/x
  3. Step 3: Cross multiply
    51,637.52x = 77,446.96 × 13,687.04
  4. Step 4: Simplify right side
    51,637.52x = 1,060,019,639.40
  5. Step 5: Solve for x
    x = 1,060,019,639.40/51,637.52
  6. Step 6: Final answer
    x = 20,528.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.