Home / 58,646.88-80,932.40-31,789.28

Finding the Fourth Proportional to 58,646.88, 80,932.40 and 31,789.28

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Solution

The fourth proportional to 58,646.88, 80,932.40 and 31,789.28 is: 43,869.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,646.88 : 80,932.40 = 31,789.28 : x
  2. Step 2: Convert to fraction form
    58,646.88/80,932.40 = 31,789.28/x
  3. Step 3: Cross multiply
    58,646.88x = 80,932.40 × 31,789.28
  4. Step 4: Simplify right side
    58,646.88x = 2,572,782,724.67
  5. Step 5: Solve for x
    x = 2,572,782,724.67/58,646.88
  6. Step 6: Final answer
    x = 43,869.05

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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.