Home / 55,740.29-76,919.02-31,542.35

Finding the Fourth Proportional to 55,740.29, 76,919.02 and 31,542.35

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Solution

The fourth proportional to 55,740.29, 76,919.02 and 31,542.35 is: 43,526.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,740.29 : 76,919.02 = 31,542.35 : x
  2. Step 2: Convert to fraction form
    55,740.29/76,919.02 = 31,542.35/x
  3. Step 3: Cross multiply
    55,740.29x = 76,919.02 × 31,542.35
  4. Step 4: Simplify right side
    55,740.29x = 2,426,206,187.05
  5. Step 5: Solve for x
    x = 2,426,206,187.05/55,740.29
  6. Step 6: Final answer
    x = 43,526.98

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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.