Home / 47,462.40-65,519.04-28,348.80

Finding the Fourth Proportional to 47,462.40, 65,519.04 and 28,348.80

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Solution

The fourth proportional to 47,462.40, 65,519.04 and 28,348.80 is: 39,133.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,462.40 : 65,519.04 = 28,348.80 : x
  2. Step 2: Convert to fraction form
    47,462.40/65,519.04 = 28,348.80/x
  3. Step 3: Cross multiply
    47,462.40x = 65,519.04 × 28,348.80
  4. Step 4: Simplify right side
    47,462.40x = 1,857,386,161.15
  5. Step 5: Solve for x
    x = 1,857,386,161.15/47,462.40
  6. Step 6: Final answer
    x = 39,133.84

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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.