Home / 56,171.28-84,192.12-21,088.56

Finding the Fourth Proportional to 56,171.28, 84,192.12 and 21,088.56

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Solution

The fourth proportional to 56,171.28, 84,192.12 and 21,088.56 is: 31,608.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,171.28 : 84,192.12 = 21,088.56 : x
  2. Step 2: Convert to fraction form
    56,171.28/84,192.12 = 21,088.56/x
  3. Step 3: Cross multiply
    56,171.28x = 84,192.12 × 21,088.56
  4. Step 4: Simplify right side
    56,171.28x = 1,775,490,574.15
  5. Step 5: Solve for x
    x = 1,775,490,574.15/56,171.28
  6. Step 6: Final answer
    x = 31,608.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.