Home / 32,639.60-45,042.48-18,299.45

Finding the Fourth Proportional to 32,639.60, 45,042.48 and 18,299.45

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Solution

The fourth proportional to 32,639.60, 45,042.48 and 18,299.45 is: 25,253.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,639.60 : 45,042.48 = 18,299.45 : x
  2. Step 2: Convert to fraction form
    32,639.60/45,042.48 = 18,299.45/x
  3. Step 3: Cross multiply
    32,639.60x = 45,042.48 × 18,299.45
  4. Step 4: Simplify right side
    32,639.60x = 824,252,385.42
  5. Step 5: Solve for x
    x = 824,252,385.42/32,639.60
  6. Step 6: Final answer
    x = 25,253.14

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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.