Home / 47,391.68-65,400.36-28,529.84

Finding the Fourth Proportional to 47,391.68, 65,400.36 and 28,529.84

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Solution

The fourth proportional to 47,391.68, 65,400.36 and 28,529.84 is: 39,371.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,391.68 : 65,400.36 = 28,529.84 : x
  2. Step 2: Convert to fraction form
    47,391.68/65,400.36 = 28,529.84/x
  3. Step 3: Cross multiply
    47,391.68x = 65,400.36 × 28,529.84
  4. Step 4: Simplify right side
    47,391.68x = 1,865,861,806.74
  5. Step 5: Solve for x
    x = 1,865,861,806.74/47,391.68
  6. Step 6: Final answer
    x = 39,371.08

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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.