Home / 55,572.68-76,689.59-31,699.76

Finding the Fourth Proportional to 55,572.68, 76,689.59 and 31,699.76

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Solution

The fourth proportional to 55,572.68, 76,689.59 and 31,699.76 is: 43,745.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,572.68 : 76,689.59 = 31,699.76 : x
  2. Step 2: Convert to fraction form
    55,572.68/76,689.59 = 31,699.76/x
  3. Step 3: Cross multiply
    55,572.68x = 76,689.59 × 31,699.76
  4. Step 4: Simplify right side
    55,572.68x = 2,431,041,055.55
  5. Step 5: Solve for x
    x = 2,431,041,055.55/55,572.68
  6. Step 6: Final answer
    x = 43,745.25

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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.