Home / 56,659.48-78,192.01-31,167.75

Finding the Fourth Proportional to 56,659.48, 78,192.01 and 31,167.75

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Solution

The fourth proportional to 56,659.48, 78,192.01 and 31,167.75 is: 43,012.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,659.48 : 78,192.01 = 31,167.75 : x
  2. Step 2: Convert to fraction form
    56,659.48/78,192.01 = 31,167.75/x
  3. Step 3: Cross multiply
    56,659.48x = 78,192.01 × 31,167.75
  4. Step 4: Simplify right side
    56,659.48x = 2,437,069,019.68
  5. Step 5: Solve for x
    x = 2,437,069,019.68/56,659.48
  6. Step 6: Final answer
    x = 43,012.56

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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.