Home / 54,856.95-82,278.13-21,568.07

Finding the Fourth Proportional to 54,856.95, 82,278.13 and 21,568.07

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Solution

The fourth proportional to 54,856.95, 82,278.13 and 21,568.07 is: 32,349.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,856.95 : 82,278.13 = 21,568.07 : x
  2. Step 2: Convert to fraction form
    54,856.95/82,278.13 = 21,568.07/x
  3. Step 3: Cross multiply
    54,856.95x = 82,278.13 × 21,568.07
  4. Step 4: Simplify right side
    54,856.95x = 1,774,580,659.52
  5. Step 5: Solve for x
    x = 1,774,580,659.52/54,856.95
  6. Step 6: Final answer
    x = 32,349.24

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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.