Home / 34,359.60-47,426.76-20,023.68

Finding the Fourth Proportional to 34,359.60, 47,426.76 and 20,023.68

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Solution

The fourth proportional to 34,359.60, 47,426.76 and 20,023.68 is: 27,638.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,359.60 : 47,426.76 = 20,023.68 : x
  2. Step 2: Convert to fraction form
    34,359.60/47,426.76 = 20,023.68/x
  3. Step 3: Cross multiply
    34,359.60x = 47,426.76 × 20,023.68
  4. Step 4: Simplify right side
    34,359.60x = 949,658,265.68
  5. Step 5: Solve for x
    x = 949,658,265.68/34,359.60
  6. Step 6: Final answer
    x = 27,638.80

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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.