Home / 55,957.01-77,218.14-30,462.72

Finding the Fourth Proportional to 55,957.01, 77,218.14 and 30,462.72

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Solution

The fourth proportional to 55,957.01, 77,218.14 and 30,462.72 is: 42,037.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,957.01 : 77,218.14 = 30,462.72 : x
  2. Step 2: Convert to fraction form
    55,957.01/77,218.14 = 30,462.72/x
  3. Step 3: Cross multiply
    55,957.01x = 77,218.14 × 30,462.72
  4. Step 4: Simplify right side
    55,957.01x = 2,352,274,402.41
  5. Step 5: Solve for x
    x = 2,352,274,402.41/55,957.01
  6. Step 6: Final answer
    x = 42,037.17

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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.