Home / 56,216.40-84,381.66-28,156.56

Finding the Fourth Proportional to 56,216.40, 84,381.66 and 28,156.56

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Solution

The fourth proportional to 56,216.40, 84,381.66 and 28,156.56 is: 42,263.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,216.40 : 84,381.66 = 28,156.56 : x
  2. Step 2: Convert to fraction form
    56,216.40/84,381.66 = 28,156.56/x
  3. Step 3: Cross multiply
    56,216.40x = 84,381.66 × 28,156.56
  4. Step 4: Simplify right side
    56,216.40x = 2,375,897,272.69
  5. Step 5: Solve for x
    x = 2,375,897,272.69/56,216.40
  6. Step 6: Final answer
    x = 42,263.42

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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.