Home / 83,575.19-125,381.24-30,984.67

Finding the Fourth Proportional to 83,575.19, 125,381.24 and 30,984.67

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Solution

The fourth proportional to 83,575.19, 125,381.24 and 30,984.67 is: 46,483.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,575.19 : 125,381.24 = 30,984.67 : x
  2. Step 2: Convert to fraction form
    83,575.19/125,381.24 = 30,984.67/x
  3. Step 3: Cross multiply
    83,575.19x = 125,381.24 × 30,984.67
  4. Step 4: Simplify right side
    83,575.19x = 3,884,896,190.67
  5. Step 5: Solve for x
    x = 3,884,896,190.67/83,575.19
  6. Step 6: Final answer
    x = 46,483.85

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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.