Home / 55,624.90-83,437.35-20,557.30

Finding the Fourth Proportional to 55,624.90, 83,437.35 and 20,557.30

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Solution

The fourth proportional to 55,624.90, 83,437.35 and 20,557.30 is: 30,835.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,624.90 : 83,437.35 = 20,557.30 : x
  2. Step 2: Convert to fraction form
    55,624.90/83,437.35 = 20,557.30/x
  3. Step 3: Cross multiply
    55,624.90x = 83,437.35 × 20,557.30
  4. Step 4: Simplify right side
    55,624.90x = 1,715,246,635.16
  5. Step 5: Solve for x
    x = 1,715,246,635.16/55,624.90
  6. Step 6: Final answer
    x = 30,835.95

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1.5x scale

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.