Home / 54,447.31-81,656.23-14,995.05

Finding the Fourth Proportional to 54,447.31, 81,656.23 and 14,995.05

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Solution

The fourth proportional to 54,447.31, 81,656.23 and 14,995.05 is: 22,488.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,447.31 : 81,656.23 = 14,995.05 : x
  2. Step 2: Convert to fraction form
    54,447.31/81,656.23 = 14,995.05/x
  3. Step 3: Cross multiply
    54,447.31x = 81,656.23 × 14,995.05
  4. Step 4: Simplify right side
    54,447.31x = 1,224,439,251.66
  5. Step 5: Solve for x
    x = 1,224,439,251.66/54,447.31
  6. Step 6: Final answer
    x = 22,488.52

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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.