Home / 54,315.36-74,963.07-30,444.66

Finding the Fourth Proportional to 54,315.36, 74,963.07 and 30,444.66

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Solution

The fourth proportional to 54,315.36, 74,963.07 and 30,444.66 is: 42,018.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,315.36 : 74,963.07 = 30,444.66 : x
  2. Step 2: Convert to fraction form
    54,315.36/74,963.07 = 30,444.66/x
  3. Step 3: Cross multiply
    54,315.36x = 74,963.07 × 30,444.66
  4. Step 4: Simplify right side
    54,315.36x = 2,282,225,178.71
  5. Step 5: Solve for x
    x = 2,282,225,178.71/54,315.36
  6. Step 6: Final answer
    x = 42,018.04

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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.