Home / 31,482.18-43,445.70-17,335.08

Finding the Fourth Proportional to 31,482.18, 43,445.70 and 17,335.08

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Solution

The fourth proportional to 31,482.18, 43,445.70 and 17,335.08 is: 23,922.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,482.18 : 43,445.70 = 17,335.08 : x
  2. Step 2: Convert to fraction form
    31,482.18/43,445.70 = 17,335.08/x
  3. Step 3: Cross multiply
    31,482.18x = 43,445.70 × 17,335.08
  4. Step 4: Simplify right side
    31,482.18x = 753,134,685.16
  5. Step 5: Solve for x
    x = 753,134,685.16/31,482.18
  6. Step 6: Final answer
    x = 23,922.57

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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.