Home / 54,639.04-75,407.52-33,432.40

Finding the Fourth Proportional to 54,639.04, 75,407.52 and 33,432.40

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Solution

The fourth proportional to 54,639.04, 75,407.52 and 33,432.40 is: 46,140.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,639.04 : 75,407.52 = 33,432.40 : x
  2. Step 2: Convert to fraction form
    54,639.04/75,407.52 = 33,432.40/x
  3. Step 3: Cross multiply
    54,639.04x = 75,407.52 × 33,432.40
  4. Step 4: Simplify right side
    54,639.04x = 2,521,054,371.65
  5. Step 5: Solve for x
    x = 2,521,054,371.65/54,639.04
  6. Step 6: Final answer
    x = 46,140.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.