Home / 31,675.16-43,701.10-18,246.10

Finding the Fourth Proportional to 31,675.16, 43,701.10 and 18,246.10

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Solution

The fourth proportional to 31,675.16, 43,701.10 and 18,246.10 is: 25,173.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,675.16 : 43,701.10 = 18,246.10 : x
  2. Step 2: Convert to fraction form
    31,675.16/43,701.10 = 18,246.10/x
  3. Step 3: Cross multiply
    31,675.16x = 43,701.10 × 18,246.10
  4. Step 4: Simplify right side
    31,675.16x = 797,374,640.71
  5. Step 5: Solve for x
    x = 797,374,640.71/31,675.16
  6. Step 6: Final answer
    x = 25,173.50

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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.