Home / 51,560.27-71,155.12-28,899.67

Finding the Fourth Proportional to 51,560.27, 71,155.12 and 28,899.67

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Solution

The fourth proportional to 51,560.27, 71,155.12 and 28,899.67 is: 39,882.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,560.27 : 71,155.12 = 28,899.67 : x
  2. Step 2: Convert to fraction form
    51,560.27/71,155.12 = 28,899.67/x
  3. Step 3: Cross multiply
    51,560.27x = 71,155.12 × 28,899.67
  4. Step 4: Simplify right side
    51,560.27x = 2,056,359,486.81
  5. Step 5: Solve for x
    x = 2,056,359,486.81/51,560.27
  6. Step 6: Final answer
    x = 39,882.64

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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.