Home / 47,877.68-66,073.93-28,763.30

Finding the Fourth Proportional to 47,877.68, 66,073.93 and 28,763.30

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Solution

The fourth proportional to 47,877.68, 66,073.93 and 28,763.30 is: 39,694.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,877.68 : 66,073.93 = 28,763.30 : x
  2. Step 2: Convert to fraction form
    47,877.68/66,073.93 = 28,763.30/x
  3. Step 3: Cross multiply
    47,877.68x = 66,073.93 × 28,763.30
  4. Step 4: Simplify right side
    47,877.68x = 1,900,504,364.05
  5. Step 5: Solve for x
    x = 1,900,504,364.05/47,877.68
  6. Step 6: Final answer
    x = 39,694.99

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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.