Home / 55,036.86-75,951.16-31,168.18

Finding the Fourth Proportional to 55,036.86, 75,951.16 and 31,168.18

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Solution

The fourth proportional to 55,036.86, 75,951.16 and 31,168.18 is: 43,012.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,036.86 : 75,951.16 = 31,168.18 : x
  2. Step 2: Convert to fraction form
    55,036.86/75,951.16 = 31,168.18/x
  3. Step 3: Cross multiply
    55,036.86x = 75,951.16 × 31,168.18
  4. Step 4: Simplify right side
    55,036.86x = 2,367,259,443.11
  5. Step 5: Solve for x
    x = 2,367,259,443.11/55,036.86
  6. Step 6: Final answer
    x = 43,012.26

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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.