Home / 32,758.47-45,208.28-18,422.80

Finding the Fourth Proportional to 32,758.47, 45,208.28 and 18,422.80

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Solution

The fourth proportional to 32,758.47, 45,208.28 and 18,422.80 is: 25,424.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,758.47 : 45,208.28 = 18,422.80 : x
  2. Step 2: Convert to fraction form
    32,758.47/45,208.28 = 18,422.80/x
  3. Step 3: Cross multiply
    32,758.47x = 45,208.28 × 18,422.80
  4. Step 4: Simplify right side
    32,758.47x = 832,863,100.78
  5. Step 5: Solve for x
    x = 832,863,100.78/32,758.47
  6. Step 6: Final answer
    x = 25,424.36

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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.