Home / 54,089.38-81,124.71-14,637.28

Finding the Fourth Proportional to 54,089.38, 81,124.71 and 14,637.28

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Solution

The fourth proportional to 54,089.38, 81,124.71 and 14,637.28 is: 21,953.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,089.38 : 81,124.71 = 14,637.28 : x
  2. Step 2: Convert to fraction form
    54,089.38/81,124.71 = 14,637.28/x
  3. Step 3: Cross multiply
    54,089.38x = 81,124.71 × 14,637.28
  4. Step 4: Simplify right side
    54,089.38x = 1,187,445,095.19
  5. Step 5: Solve for x
    x = 1,187,445,095.19/54,089.38
  6. Step 6: Final answer
    x = 21,953.39

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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.