Home / 55,911.64-83,870.28-18,475.08

Finding the Fourth Proportional to 55,911.64, 83,870.28 and 18,475.08

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Solution

The fourth proportional to 55,911.64, 83,870.28 and 18,475.08 is: 27,713.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,911.64 : 83,870.28 = 18,475.08 : x
  2. Step 2: Convert to fraction form
    55,911.64/83,870.28 = 18,475.08/x
  3. Step 3: Cross multiply
    55,911.64x = 83,870.28 × 18,475.08
  4. Step 4: Simplify right side
    55,911.64x = 1,549,510,132.62
  5. Step 5: Solve for x
    x = 1,549,510,132.62/55,911.64
  6. Step 6: Final answer
    x = 27,713.55

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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.