Home / 31,875.92-43,988.14-17,728.46

Finding the Fourth Proportional to 31,875.92, 43,988.14 and 17,728.46

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Solution

The fourth proportional to 31,875.92, 43,988.14 and 17,728.46 is: 24,464.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,875.92 : 43,988.14 = 17,728.46 : x
  2. Step 2: Convert to fraction form
    31,875.92/43,988.14 = 17,728.46/x
  3. Step 3: Cross multiply
    31,875.92x = 43,988.14 × 17,728.46
  4. Step 4: Simplify right side
    31,875.92x = 779,841,980.46
  5. Step 5: Solve for x
    x = 779,841,980.46/31,875.92
  6. Step 6: Final answer
    x = 24,464.92

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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.