Home / 65,544.32-90,437.58-38,315.12

Finding the Fourth Proportional to 65,544.32, 90,437.58 and 38,315.12

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Solution

The fourth proportional to 65,544.32, 90,437.58 and 38,315.12 is: 52,866.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,544.32 : 90,437.58 = 38,315.12 : x
  2. Step 2: Convert to fraction form
    65,544.32/90,437.58 = 38,315.12/x
  3. Step 3: Cross multiply
    65,544.32x = 90,437.58 × 38,315.12
  4. Step 4: Simplify right side
    65,544.32x = 3,465,126,278.02
  5. Step 5: Solve for x
    x = 3,465,126,278.02/65,544.32
  6. Step 6: Final answer
    x = 52,866.92

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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.