Home / 52,931.52-79,384.32-15,490.56

Finding the Fourth Proportional to 52,931.52, 79,384.32 and 15,490.56

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Solution

The fourth proportional to 52,931.52, 79,384.32 and 15,490.56 is: 23,232.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,931.52 : 79,384.32 = 15,490.56 : x
  2. Step 2: Convert to fraction form
    52,931.52/79,384.32 = 15,490.56/x
  3. Step 3: Cross multiply
    52,931.52x = 79,384.32 × 15,490.56
  4. Step 4: Simplify right side
    52,931.52x = 1,229,707,572.02
  5. Step 5: Solve for x
    x = 1,229,707,572.02/52,931.52
  6. Step 6: Final answer
    x = 23,232.05

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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.