Home / 34,527.60-47,635.80-20,373.36

Finding the Fourth Proportional to 34,527.60, 47,635.80 and 20,373.36

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Solution

The fourth proportional to 34,527.60, 47,635.80 and 20,373.36 is: 28,107.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,527.60 : 47,635.80 = 20,373.36 : x
  2. Step 2: Convert to fraction form
    34,527.60/47,635.80 = 20,373.36/x
  3. Step 3: Cross multiply
    34,527.60x = 47,635.80 × 20,373.36
  4. Step 4: Simplify right side
    34,527.60x = 970,501,302.29
  5. Step 5: Solve for x
    x = 970,501,302.29/34,527.60
  6. Step 6: Final answer
    x = 28,107.99

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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.