Home / 31,482.22-43,434.48-17,868.65

Finding the Fourth Proportional to 31,482.22, 43,434.48 and 17,868.65

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Solution

The fourth proportional to 31,482.22, 43,434.48 and 17,868.65 is: 24,652.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,482.22 : 43,434.48 = 17,868.65 : x
  2. Step 2: Convert to fraction form
    31,482.22/43,434.48 = 17,868.65/x
  3. Step 3: Cross multiply
    31,482.22x = 43,434.48 × 17,868.65
  4. Step 4: Simplify right side
    31,482.22x = 776,115,514.69
  5. Step 5: Solve for x
    x = 776,115,514.69/31,482.22
  6. Step 6: Final answer
    x = 24,652.50

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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.