Home / 31,011.60-42,798.96-17,583.48

Finding the Fourth Proportional to 31,011.60, 42,798.96 and 17,583.48

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Solution

The fourth proportional to 31,011.60, 42,798.96 and 17,583.48 is: 24,266.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,011.60 : 42,798.96 = 17,583.48 : x
  2. Step 2: Convert to fraction form
    31,011.60/42,798.96 = 17,583.48/x
  3. Step 3: Cross multiply
    31,011.60x = 42,798.96 × 17,583.48
  4. Step 4: Simplify right side
    31,011.60x = 752,554,657.18
  5. Step 5: Solve for x
    x = 752,554,657.18/31,011.60
  6. Step 6: Final answer
    x = 24,266.88

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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.