Home / 32,740.92-45,180.40-19,312.72

Finding the Fourth Proportional to 32,740.92, 45,180.40 and 19,312.72

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Solution

The fourth proportional to 32,740.92, 45,180.40 and 19,312.72 is: 26,650.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,740.92 : 45,180.40 = 19,312.72 : x
  2. Step 2: Convert to fraction form
    32,740.92/45,180.40 = 19,312.72/x
  3. Step 3: Cross multiply
    32,740.92x = 45,180.40 × 19,312.72
  4. Step 4: Simplify right side
    32,740.92x = 872,556,414.69
  5. Step 5: Solve for x
    x = 872,556,414.69/32,740.92
  6. Step 6: Final answer
    x = 26,650.33

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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.