Home / 31,901.64-44,022.86-18,472.20

Finding the Fourth Proportional to 31,901.64, 44,022.86 and 18,472.20

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Solution

The fourth proportional to 31,901.64, 44,022.86 and 18,472.20 is: 25,490.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,901.64 : 44,022.86 = 18,472.20 : x
  2. Step 2: Convert to fraction form
    31,901.64/44,022.86 = 18,472.20/x
  3. Step 3: Cross multiply
    31,901.64x = 44,022.86 × 18,472.20
  4. Step 4: Simplify right side
    31,901.64x = 813,199,074.49
  5. Step 5: Solve for x
    x = 813,199,074.49/31,901.64
  6. Step 6: Final answer
    x = 25,490.82

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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.