Home / 54,748.04-75,487.52-38,618

Finding the Fourth Proportional to 54,748.04, 75,487.52 and 38,618

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Solution

The fourth proportional to 54,748.04, 75,487.52 and 38,618 is: 53,247.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,748.04 : 75,487.52 = 38,618 : x
  2. Step 2: Convert to fraction form
    54,748.04/75,487.52 = 38,618/x
  3. Step 3: Cross multiply
    54,748.04x = 75,487.52 × 38,618
  4. Step 4: Simplify right side
    54,748.04x = 2,915,177,047.36
  5. Step 5: Solve for x
    x = 2,915,177,047.36/54,748.04
  6. Step 6: Final answer
    x = 53,247.15

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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.