Home / 56,325.68-77,729.16-31,175.12

Finding the Fourth Proportional to 56,325.68, 77,729.16 and 31,175.12

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Solution

The fourth proportional to 56,325.68, 77,729.16 and 31,175.12 is: 43,021.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,325.68 : 77,729.16 = 31,175.12 : x
  2. Step 2: Convert to fraction form
    56,325.68/77,729.16 = 31,175.12/x
  3. Step 3: Cross multiply
    56,325.68x = 77,729.16 × 31,175.12
  4. Step 4: Simplify right side
    56,325.68x = 2,423,215,890.50
  5. Step 5: Solve for x
    x = 2,423,215,890.50/56,325.68
  6. Step 6: Final answer
    x = 43,021.51

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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.