Home / 54,430.90-75,110.50-30,552.97

Finding the Fourth Proportional to 54,430.90, 75,110.50 and 30,552.97

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Solution

The fourth proportional to 54,430.90, 75,110.50 and 30,552.97 is: 42,160.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,430.90 : 75,110.50 = 30,552.97 : x
  2. Step 2: Convert to fraction form
    54,430.90/75,110.50 = 30,552.97/x
  3. Step 3: Cross multiply
    54,430.90x = 75,110.50 × 30,552.97
  4. Step 4: Simplify right side
    54,430.90x = 2,294,848,853.19
  5. Step 5: Solve for x
    x = 2,294,848,853.19/54,430.90
  6. Step 6: Final answer
    x = 42,160.77

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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.