Home / 56,294.09-77,682.35-31,143.59

Finding the Fourth Proportional to 56,294.09, 77,682.35 and 31,143.59

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Solution

The fourth proportional to 56,294.09, 77,682.35 and 31,143.59 is: 42,976.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,294.09 : 77,682.35 = 31,143.59 : x
  2. Step 2: Convert to fraction form
    56,294.09/77,682.35 = 31,143.59/x
  3. Step 3: Cross multiply
    56,294.09x = 77,682.35 × 31,143.59
  4. Step 4: Simplify right side
    56,294.09x = 2,419,307,102.92
  5. Step 5: Solve for x
    x = 2,419,307,102.92/56,294.09
  6. Step 6: Final answer
    x = 42,976.22

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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.