Home / 47,503.95-65,545.24-28,640.67

Finding the Fourth Proportional to 47,503.95, 65,545.24 and 28,640.67

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Solution

The fourth proportional to 47,503.95, 65,545.24 and 28,640.67 is: 39,517.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,503.95 : 65,545.24 = 28,640.67 : x
  2. Step 2: Convert to fraction form
    47,503.95/65,545.24 = 28,640.67/x
  3. Step 3: Cross multiply
    47,503.95x = 65,545.24 × 28,640.67
  4. Step 4: Simplify right side
    47,503.95x = 1,877,259,588.91
  5. Step 5: Solve for x
    x = 1,877,259,588.91/47,503.95
  6. Step 6: Final answer
    x = 39,517.97

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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.