Home / 51,680.16-71,319.06-30,184.92

Finding the Fourth Proportional to 51,680.16, 71,319.06 and 30,184.92

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Solution

The fourth proportional to 51,680.16, 71,319.06 and 30,184.92 is: 41,655.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,680.16 : 71,319.06 = 30,184.92 : x
  2. Step 2: Convert to fraction form
    51,680.16/71,319.06 = 30,184.92/x
  3. Step 3: Cross multiply
    51,680.16x = 71,319.06 × 30,184.92
  4. Step 4: Simplify right side
    51,680.16x = 2,152,760,120.58
  5. Step 5: Solve for x
    x = 2,152,760,120.58/51,680.16
  6. Step 6: Final answer
    x = 41,655.45

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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.