Home / 65,029.64-89,750.42-38,186.84

Finding the Fourth Proportional to 65,029.64, 89,750.42 and 38,186.84

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Solution

The fourth proportional to 65,029.64, 89,750.42 and 38,186.84 is: 52,703.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,029.64 : 89,750.42 = 38,186.84 : x
  2. Step 2: Convert to fraction form
    65,029.64/89,750.42 = 38,186.84/x
  3. Step 3: Cross multiply
    65,029.64x = 89,750.42 × 38,186.84
  4. Step 4: Simplify right side
    65,029.64x = 3,427,284,928.47
  5. Step 5: Solve for x
    x = 3,427,284,928.47/65,029.64
  6. Step 6: Final answer
    x = 52,703.43

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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.