Home / 31,939.93-44,077.59-18,330.16

Finding the Fourth Proportional to 31,939.93, 44,077.59 and 18,330.16

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Solution

The fourth proportional to 31,939.93, 44,077.59 and 18,330.16 is: 25,295.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,939.93 : 44,077.59 = 18,330.16 : x
  2. Step 2: Convert to fraction form
    31,939.93/44,077.59 = 18,330.16/x
  3. Step 3: Cross multiply
    31,939.93x = 44,077.59 × 18,330.16
  4. Step 4: Simplify right side
    31,939.93x = 807,949,277.11
  5. Step 5: Solve for x
    x = 807,949,277.11/31,939.93
  6. Step 6: Final answer
    x = 25,295.90

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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.