Home / 32,785.29-45,242.10-18,637.83

Finding the Fourth Proportional to 32,785.29, 45,242.10 and 18,637.83

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Solution

The fourth proportional to 32,785.29, 45,242.10 and 18,637.83 is: 25,719.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,785.29 : 45,242.10 = 18,637.83 : x
  2. Step 2: Convert to fraction form
    32,785.29/45,242.10 = 18,637.83/x
  3. Step 3: Cross multiply
    32,785.29x = 45,242.10 × 18,637.83
  4. Step 4: Simplify right side
    32,785.29x = 843,214,568.64
  5. Step 5: Solve for x
    x = 843,214,568.64/32,785.29
  6. Step 6: Final answer
    x = 25,719.30

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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.