Home / 47,612.40-65,707.20-26,391.68

Finding the Fourth Proportional to 47,612.40, 65,707.20 and 26,391.68

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Solution

The fourth proportional to 47,612.40, 65,707.20 and 26,391.68 is: 36,421.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,612.40 : 65,707.20 = 26,391.68 : x
  2. Step 2: Convert to fraction form
    47,612.40/65,707.20 = 26,391.68/x
  3. Step 3: Cross multiply
    47,612.40x = 65,707.20 × 26,391.68
  4. Step 4: Simplify right side
    47,612.40x = 1,734,123,396.10
  5. Step 5: Solve for x
    x = 1,734,123,396.10/47,612.40
  6. Step 6: Final answer
    x = 36,421.68

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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.