Home / 56,491.07-77,957.28-31,340.57

Finding the Fourth Proportional to 56,491.07, 77,957.28 and 31,340.57

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Solution

The fourth proportional to 56,491.07, 77,957.28 and 31,340.57 is: 43,249.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,491.07 : 77,957.28 = 31,340.57 : x
  2. Step 2: Convert to fraction form
    56,491.07/77,957.28 = 31,340.57/x
  3. Step 3: Cross multiply
    56,491.07x = 77,957.28 × 31,340.57
  4. Step 4: Simplify right side
    56,491.07x = 2,443,225,201.06
  5. Step 5: Solve for x
    x = 2,443,225,201.06/56,491.07
  6. Step 6: Final answer
    x = 43,249.76

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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.