Home / 63,330.24-87,435.54-40,678.38

Finding the Fourth Proportional to 63,330.24, 87,435.54 and 40,678.38

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Solution

The fourth proportional to 63,330.24, 87,435.54 and 40,678.38 is: 56,161.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,330.24 : 87,435.54 = 40,678.38 : x
  2. Step 2: Convert to fraction form
    63,330.24/87,435.54 = 40,678.38/x
  3. Step 3: Cross multiply
    63,330.24x = 87,435.54 × 40,678.38
  4. Step 4: Simplify right side
    63,330.24x = 3,556,736,121.63
  5. Step 5: Solve for x
    x = 3,556,736,121.63/63,330.24
  6. Step 6: Final answer
    x = 56,161.73

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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.