Home / 57,315.17-79,091.36-31,820.04

Finding the Fourth Proportional to 57,315.17, 79,091.36 and 31,820.04

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Solution

The fourth proportional to 57,315.17, 79,091.36 and 31,820.04 is: 43,909.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,315.17 : 79,091.36 = 31,820.04 : x
  2. Step 2: Convert to fraction form
    57,315.17/79,091.36 = 31,820.04/x
  3. Step 3: Cross multiply
    57,315.17x = 79,091.36 × 31,820.04
  4. Step 4: Simplify right side
    57,315.17x = 2,516,690,079.75
  5. Step 5: Solve for x
    x = 2,516,690,079.75/57,315.17
  6. Step 6: Final answer
    x = 43,909.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.