Home / 58,645.88-80,931.45-31,788.26

Finding the Fourth Proportional to 58,645.88, 80,931.45 and 31,788.26

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Solution

The fourth proportional to 58,645.88, 80,931.45 and 31,788.26 is: 43,867.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,645.88 : 80,931.45 = 31,788.26 : x
  2. Step 2: Convert to fraction form
    58,645.88/80,931.45 = 31,788.26/x
  3. Step 3: Cross multiply
    58,645.88x = 80,931.45 × 31,788.26
  4. Step 4: Simplify right side
    58,645.88x = 2,572,670,246.90
  5. Step 5: Solve for x
    x = 2,572,670,246.90/58,645.88
  6. Step 6: Final answer
    x = 43,867.88

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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.