Home / 31,512,808.74-43,523,548.26-21,181,595.70

Finding the Fourth Proportional to 31,512,808.74, 43,523,548.26 and 21,181,595.70

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Solution

The fourth proportional to 31,512,808.74, 43,523,548.26 and 21,181,595.70 is: 29,254,713.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,512,808.74 : 43,523,548.26 = 21,181,595.70 : x
  2. Step 2: Convert to fraction form
    31,512,808.74/43,523,548.26 = 21,181,595.70/x
  3. Step 3: Cross multiply
    31,512,808.74x = 43,523,548.26 × 21,181,595.70
  4. Step 4: Simplify right side
    31,512,808.74x = 921,898,202,672,758.38
  5. Step 5: Solve for x
    x = 921,898,202,672,758.38/31,512,808.74
  6. Step 6: Final answer
    x = 29,254,713.86

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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.