Home / 47,726.56-71,618-18,169.28

Finding the Fourth Proportional to 47,726.56, 71,618 and 18,169.28

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Solution

The fourth proportional to 47,726.56, 71,618 and 18,169.28 is: 27,264.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,726.56 : 71,618 = 18,169.28 : x
  2. Step 2: Convert to fraction form
    47,726.56/71,618 = 18,169.28/x
  3. Step 3: Cross multiply
    47,726.56x = 71,618 × 18,169.28
  4. Step 4: Simplify right side
    47,726.56x = 1,301,247,495.04
  5. Step 5: Solve for x
    x = 1,301,247,495.04/47,726.56
  6. Step 6: Final answer
    x = 27,264.64

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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.