Home / 51,812.16-71,500.78-29,456.16

Finding the Fourth Proportional to 51,812.16, 71,500.78 and 29,456.16

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Solution

The fourth proportional to 51,812.16, 71,500.78 and 29,456.16 is: 40,649.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,812.16 : 71,500.78 = 29,456.16 : x
  2. Step 2: Convert to fraction form
    51,812.16/71,500.78 = 29,456.16/x
  3. Step 3: Cross multiply
    51,812.16x = 71,500.78 × 29,456.16
  4. Step 4: Simplify right side
    51,812.16x = 2,106,138,018.81
  5. Step 5: Solve for x
    x = 2,106,138,018.81/51,812.16
  6. Step 6: Final answer
    x = 40,649.50

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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.