Home / 31,591.13-43,543.77-22,395.74

Finding the Fourth Proportional to 31,591.13, 43,543.77 and 22,395.74

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Solution

The fourth proportional to 31,591.13, 43,543.77 and 22,395.74 is: 30,869.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,591.13 : 43,543.77 = 22,395.74 : x
  2. Step 2: Convert to fraction form
    31,591.13/43,543.77 = 22,395.74/x
  3. Step 3: Cross multiply
    31,591.13x = 43,543.77 × 22,395.74
  4. Step 4: Simplify right side
    31,591.13x = 975,194,733.82
  5. Step 5: Solve for x
    x = 975,194,733.82/31,591.13
  6. Step 6: Final answer
    x = 30,869.26

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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.