Home / 55,432.61-83,097.07-20,362.85

Finding the Fourth Proportional to 55,432.61, 83,097.07 and 20,362.85

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Solution

The fourth proportional to 55,432.61, 83,097.07 and 20,362.85 is: 30,525.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,432.61 : 83,097.07 = 20,362.85 : x
  2. Step 2: Convert to fraction form
    55,432.61/83,097.07 = 20,362.85/x
  3. Step 3: Cross multiply
    55,432.61x = 83,097.07 × 20,362.85
  4. Step 4: Simplify right side
    55,432.61x = 1,692,092,705.46
  5. Step 5: Solve for x
    x = 1,692,092,705.46/55,432.61
  6. Step 6: Final answer
    x = 30,525.22

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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.