Home / 55,909.32-83,897.46-20,873.58

Finding the Fourth Proportional to 55,909.32, 83,897.46 and 20,873.58

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Solution

The fourth proportional to 55,909.32, 83,897.46 and 20,873.58 is: 31,322.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,909.32 : 83,897.46 = 20,873.58 : x
  2. Step 2: Convert to fraction form
    55,909.32/83,897.46 = 20,873.58/x
  3. Step 3: Cross multiply
    55,909.32x = 83,897.46 × 20,873.58
  4. Step 4: Simplify right side
    55,909.32x = 1,751,240,343.11
  5. Step 5: Solve for x
    x = 1,751,240,343.11/55,909.32
  6. Step 6: Final answer
    x = 31,322.87

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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.