Home / 55,718.56-83,534.05-38,135.08

Finding the Fourth Proportional to 55,718.56, 83,534.05 and 38,135.08

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Solution

The fourth proportional to 55,718.56, 83,534.05 and 38,135.08 is: 57,172.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,718.56 : 83,534.05 = 38,135.08 : x
  2. Step 2: Convert to fraction form
    55,718.56/83,534.05 = 38,135.08/x
  3. Step 3: Cross multiply
    55,718.56x = 83,534.05 × 38,135.08
  4. Step 4: Simplify right side
    55,718.56x = 3,185,577,679.47
  5. Step 5: Solve for x
    x = 3,185,577,679.47/55,718.56
  6. Step 6: Final answer
    x = 57,172.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.