Home / 32,931.96-45,445.68-18,785.04

Finding the Fourth Proportional to 32,931.96, 45,445.68 and 18,785.04

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Solution

The fourth proportional to 32,931.96, 45,445.68 and 18,785.04 is: 25,923.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,931.96 : 45,445.68 = 18,785.04 : x
  2. Step 2: Convert to fraction form
    32,931.96/45,445.68 = 18,785.04/x
  3. Step 3: Cross multiply
    32,931.96x = 45,445.68 × 18,785.04
  4. Step 4: Simplify right side
    32,931.96x = 853,698,916.63
  5. Step 5: Solve for x
    x = 853,698,916.63/32,931.96
  6. Step 6: Final answer
    x = 25,923.11

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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.