Home / 31,592.68-43,606.28-18,165.40

Finding the Fourth Proportional to 31,592.68, 43,606.28 and 18,165.40

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Solution

The fourth proportional to 31,592.68, 43,606.28 and 18,165.40 is: 25,073.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,592.68 : 43,606.28 = 18,165.40 : x
  2. Step 2: Convert to fraction form
    31,592.68/43,606.28 = 18,165.40/x
  3. Step 3: Cross multiply
    31,592.68x = 43,606.28 × 18,165.40
  4. Step 4: Simplify right side
    31,592.68x = 792,125,518.71
  5. Step 5: Solve for x
    x = 792,125,518.71/31,592.68
  6. Step 6: Final answer
    x = 25,073.07

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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.