Home / 47,668.80-65,633.40-40,483.74

Finding the Fourth Proportional to 47,668.80, 65,633.40 and 40,483.74

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Solution

The fourth proportional to 47,668.80, 65,633.40 and 40,483.74 is: 55,740.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,668.80 : 65,633.40 = 40,483.74 : x
  2. Step 2: Convert to fraction form
    47,668.80/65,633.40 = 40,483.74/x
  3. Step 3: Cross multiply
    47,668.80x = 65,633.40 × 40,483.74
  4. Step 4: Simplify right side
    47,668.80x = 2,657,085,500.92
  5. Step 5: Solve for x
    x = 2,657,085,500.92/47,668.80
  6. Step 6: Final answer
    x = 55,740.56

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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.