Home / 65,630.25-90,569.75-35,822.25

Finding the Fourth Proportional to 65,630.25, 90,569.75 and 35,822.25

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Solution

The fourth proportional to 65,630.25, 90,569.75 and 35,822.25 is: 49,434.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,630.25 : 90,569.75 = 35,822.25 : x
  2. Step 2: Convert to fraction form
    65,630.25/90,569.75 = 35,822.25/x
  3. Step 3: Cross multiply
    65,630.25x = 90,569.75 × 35,822.25
  4. Step 4: Simplify right side
    65,630.25x = 3,244,412,047.83
  5. Step 5: Solve for x
    x = 3,244,412,047.83/65,630.25
  6. Step 6: Final answer
    x = 49,434.71

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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.