Home / 56,122.93-77,449.48-30,972.25

Finding the Fourth Proportional to 56,122.93, 77,449.48 and 30,972.25

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Solution

The fourth proportional to 56,122.93, 77,449.48 and 30,972.25 is: 42,741.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,122.93 : 77,449.48 = 30,972.25 : x
  2. Step 2: Convert to fraction form
    56,122.93/77,449.48 = 30,972.25/x
  3. Step 3: Cross multiply
    56,122.93x = 77,449.48 × 30,972.25
  4. Step 4: Simplify right side
    56,122.93x = 2,398,784,656.93
  5. Step 5: Solve for x
    x = 2,398,784,656.93/56,122.93
  6. Step 6: Final answer
    x = 42,741.61

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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.