Home / 60,613.90-83,660.78-39,356.26

Finding the Fourth Proportional to 60,613.90, 83,660.78 and 39,356.26

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Solution

The fourth proportional to 60,613.90, 83,660.78 and 39,356.26 is: 54,320.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,613.90 : 83,660.78 = 39,356.26 : x
  2. Step 2: Convert to fraction form
    60,613.90/83,660.78 = 39,356.26/x
  3. Step 3: Cross multiply
    60,613.90x = 83,660.78 × 39,356.26
  4. Step 4: Simplify right side
    60,613.90x = 3,292,575,409.48
  5. Step 5: Solve for x
    x = 3,292,575,409.48/60,613.90
  6. Step 6: Final answer
    x = 54,320.47

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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.