Home / 54,430.28-75,109.64-30,552.34

Finding the Fourth Proportional to 54,430.28, 75,109.64 and 30,552.34

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Solution

The fourth proportional to 54,430.28, 75,109.64 and 30,552.34 is: 42,159.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,430.28 : 75,109.64 = 30,552.34 : x
  2. Step 2: Convert to fraction form
    54,430.28/75,109.64 = 30,552.34/x
  3. Step 3: Cross multiply
    54,430.28x = 75,109.64 × 30,552.34
  4. Step 4: Simplify right side
    54,430.28x = 2,294,775,105.80
  5. Step 5: Solve for x
    x = 2,294,775,105.80/54,430.28
  6. Step 6: Final answer
    x = 42,159.90

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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.