Home / 54,429.72-81,632.16-14,990.28

Finding the Fourth Proportional to 54,429.72, 81,632.16 and 14,990.28

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Solution

The fourth proportional to 54,429.72, 81,632.16 and 14,990.28 is: 22,482.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,429.72 : 81,632.16 = 14,990.28 : x
  2. Step 2: Convert to fraction form
    54,429.72/81,632.16 = 14,990.28/x
  3. Step 3: Cross multiply
    54,429.72x = 81,632.16 × 14,990.28
  4. Step 4: Simplify right side
    54,429.72x = 1,223,688,935.40
  5. Step 5: Solve for x
    x = 1,223,688,935.40/54,429.72
  6. Step 6: Final answer
    x = 22,482.00

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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.