Home / 56,672.26-78,207.51-31,521.76

Finding the Fourth Proportional to 56,672.26, 78,207.51 and 31,521.76

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Solution

The fourth proportional to 56,672.26, 78,207.51 and 31,521.76 is: 43,499.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,672.26 : 78,207.51 = 31,521.76 : x
  2. Step 2: Convert to fraction form
    56,672.26/78,207.51 = 31,521.76/x
  3. Step 3: Cross multiply
    56,672.26x = 78,207.51 × 31,521.76
  4. Step 4: Simplify right side
    56,672.26x = 2,465,238,360.42
  5. Step 5: Solve for x
    x = 2,465,238,360.42/56,672.26
  6. Step 6: Final answer
    x = 43,499.91

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1.5x scale

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.