Home / 54,426.07-81,639.51-14,985.35

Finding the Fourth Proportional to 54,426.07, 81,639.51 and 14,985.35

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Solution

The fourth proportional to 54,426.07, 81,639.51 and 14,985.35 is: 22,478.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,426.07 : 81,639.51 = 14,985.35 : x
  2. Step 2: Convert to fraction form
    54,426.07/81,639.51 = 14,985.35/x
  3. Step 3: Cross multiply
    54,426.07x = 81,639.51 × 14,985.35
  4. Step 4: Simplify right side
    54,426.07x = 1,223,396,631.18
  5. Step 5: Solve for x
    x = 1,223,396,631.18/54,426.07
  6. Step 6: Final answer
    x = 22,478.14

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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.