Home / 69,572.72-96,010.38-39,357.40

Finding the Fourth Proportional to 69,572.72, 96,010.38 and 39,357.40

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Solution

The fourth proportional to 69,572.72, 96,010.38 and 39,357.40 is: 54,313.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,572.72 : 96,010.38 = 39,357.40 : x
  2. Step 2: Convert to fraction form
    69,572.72/96,010.38 = 39,357.40/x
  3. Step 3: Cross multiply
    69,572.72x = 96,010.38 × 39,357.40
  4. Step 4: Simplify right side
    69,572.72x = 3,778,718,929.81
  5. Step 5: Solve for x
    x = 3,778,718,929.81/69,572.72
  6. Step 6: Final answer
    x = 54,313.23

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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.