Home / 54,389.49-75,060.59-30,518.25

Finding the Fourth Proportional to 54,389.49, 75,060.59 and 30,518.25

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Solution

The fourth proportional to 54,389.49, 75,060.59 and 30,518.25 is: 42,116.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,389.49 : 75,060.59 = 30,518.25 : x
  2. Step 2: Convert to fraction form
    54,389.49/75,060.59 = 30,518.25/x
  3. Step 3: Cross multiply
    54,389.49x = 75,060.59 × 30,518.25
  4. Step 4: Simplify right side
    54,389.49x = 2,290,717,698.18
  5. Step 5: Solve for x
    x = 2,290,717,698.18/54,389.49
  6. Step 6: Final answer
    x = 42,116.92

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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.