Home / 48,312.66-66,672.16-29,189.78

Finding the Fourth Proportional to 48,312.66, 66,672.16 and 29,189.78

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Solution

The fourth proportional to 48,312.66, 66,672.16 and 29,189.78 is: 40,282.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,312.66 : 66,672.16 = 29,189.78 : x
  2. Step 2: Convert to fraction form
    48,312.66/66,672.16 = 29,189.78/x
  3. Step 3: Cross multiply
    48,312.66x = 66,672.16 × 29,189.78
  4. Step 4: Simplify right side
    48,312.66x = 1,946,145,682.52
  5. Step 5: Solve for x
    x = 1,946,145,682.52/48,312.66
  6. Step 6: Final answer
    x = 40,282.31

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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.