Home / 40,774.65-56,243.11-29,460.78

Finding the Fourth Proportional to 40,774.65, 56,243.11 and 29,460.78

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Solution

The fourth proportional to 40,774.65, 56,243.11 and 29,460.78 is: 40,637.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,774.65 : 56,243.11 = 29,460.78 : x
  2. Step 2: Convert to fraction form
    40,774.65/56,243.11 = 29,460.78/x
  3. Step 3: Cross multiply
    40,774.65x = 56,243.11 × 29,460.78
  4. Step 4: Simplify right side
    40,774.65x = 1,656,965,890.23
  5. Step 5: Solve for x
    x = 1,656,965,890.23/40,774.65
  6. Step 6: Final answer
    x = 40,637.16

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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.