Home / 54,427.17-75,113.10-30,555.48

Finding the Fourth Proportional to 54,427.17, 75,113.10 and 30,555.48

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Solution

The fourth proportional to 54,427.17, 75,113.10 and 30,555.48 is: 42,168.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,427.17 : 75,113.10 = 30,555.48 : x
  2. Step 2: Convert to fraction form
    54,427.17/75,113.10 = 30,555.48/x
  3. Step 3: Cross multiply
    54,427.17x = 75,113.10 × 30,555.48
  4. Step 4: Simplify right side
    54,427.17x = 2,295,116,824.79
  5. Step 5: Solve for x
    x = 2,295,116,824.79/54,427.17
  6. Step 6: Final answer
    x = 42,168.59

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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.