Home / 55,877.88-77,108.04-31,999.08

Finding the Fourth Proportional to 55,877.88, 77,108.04 and 31,999.08

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Solution

The fourth proportional to 55,877.88, 77,108.04 and 31,999.08 is: 44,156.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,877.88 : 77,108.04 = 31,999.08 : x
  2. Step 2: Convert to fraction form
    55,877.88/77,108.04 = 31,999.08/x
  3. Step 3: Cross multiply
    55,877.88x = 77,108.04 × 31,999.08
  4. Step 4: Simplify right side
    55,877.88x = 2,467,386,340.60
  5. Step 5: Solve for x
    x = 2,467,386,340.60/55,877.88
  6. Step 6: Final answer
    x = 44,156.76

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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.