Home / 54,407.08-75,085.08-30,535.28

Finding the Fourth Proportional to 54,407.08, 75,085.08 and 30,535.28

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Solution

The fourth proportional to 54,407.08, 75,085.08 and 30,535.28 is: 42,140.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,407.08 : 75,085.08 = 30,535.28 : x
  2. Step 2: Convert to fraction form
    54,407.08/75,085.08 = 30,535.28/x
  3. Step 3: Cross multiply
    54,407.08x = 75,085.08 × 30,535.28
  4. Step 4: Simplify right side
    54,407.08x = 2,292,743,941.62
  5. Step 5: Solve for x
    x = 2,292,743,941.62/54,407.08
  6. Step 6: Final answer
    x = 42,140.54

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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.