Home / 54,085.32-81,127.62-14,642.28

Finding the Fourth Proportional to 54,085.32, 81,127.62 and 14,642.28

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Solution

The fourth proportional to 54,085.32, 81,127.62 and 14,642.28 is: 21,963.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,085.32 : 81,127.62 = 14,642.28 : x
  2. Step 2: Convert to fraction form
    54,085.32/81,127.62 = 14,642.28/x
  3. Step 3: Cross multiply
    54,085.32x = 81,127.62 × 14,642.28
  4. Step 4: Simplify right side
    54,085.32x = 1,187,893,327.77
  5. Step 5: Solve for x
    x = 1,187,893,327.77/54,085.32
  6. Step 6: Final answer
    x = 21,963.32

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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.