Home / 31,454.17-43,407.95-18,028.01

Finding the Fourth Proportional to 31,454.17, 43,407.95 and 18,028.01

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Solution

The fourth proportional to 31,454.17, 43,407.95 and 18,028.01 is: 24,879.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,454.17 : 43,407.95 = 18,028.01 : x
  2. Step 2: Convert to fraction form
    31,454.17/43,407.95 = 18,028.01/x
  3. Step 3: Cross multiply
    31,454.17x = 43,407.95 × 18,028.01
  4. Step 4: Simplify right side
    31,454.17x = 782,559,110.27
  5. Step 5: Solve for x
    x = 782,559,110.27/31,454.17
  6. Step 6: Final answer
    x = 24,879.35

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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.