Home / 51,628.11-77,442.17-18,349.49

Finding the Fourth Proportional to 51,628.11, 77,442.17 and 18,349.49

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Solution

The fourth proportional to 51,628.11, 77,442.17 and 18,349.49 is: 27,524.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,628.11 : 77,442.17 = 18,349.49 : x
  2. Step 2: Convert to fraction form
    51,628.11/77,442.17 = 18,349.49/x
  3. Step 3: Cross multiply
    51,628.11x = 77,442.17 × 18,349.49
  4. Step 4: Simplify right side
    51,628.11x = 1,421,023,990.24
  5. Step 5: Solve for x
    x = 1,421,023,990.24/51,628.11
  6. Step 6: Final answer
    x = 27,524.23

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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.