Home / 65,256.69-90,052.38-38,393.04

Finding the Fourth Proportional to 65,256.69, 90,052.38 and 38,393.04

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Solution

The fourth proportional to 65,256.69, 90,052.38 and 38,393.04 is: 52,981.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,256.69 : 90,052.38 = 38,393.04 : x
  2. Step 2: Convert to fraction form
    65,256.69/90,052.38 = 38,393.04/x
  3. Step 3: Cross multiply
    65,256.69x = 90,052.38 × 38,393.04
  4. Step 4: Simplify right side
    65,256.69x = 3,457,384,627.44
  5. Step 5: Solve for x
    x = 3,457,384,627.44/65,256.69
  6. Step 6: Final answer
    x = 52,981.31

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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.