Home / 31,875.56-43,985.78-17,726.44

Finding the Fourth Proportional to 31,875.56, 43,985.78 and 17,726.44

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Solution

The fourth proportional to 31,875.56, 43,985.78 and 17,726.44 is: 24,461.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,875.56 : 43,985.78 = 17,726.44 : x
  2. Step 2: Convert to fraction form
    31,875.56/43,985.78 = 17,726.44/x
  3. Step 3: Cross multiply
    31,875.56x = 43,985.78 × 17,726.44
  4. Step 4: Simplify right side
    31,875.56x = 779,711,290.02
  5. Step 5: Solve for x
    x = 779,711,290.02/31,875.56
  6. Step 6: Final answer
    x = 24,461.10

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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.