Home / 65,476.24-90,367.48-38,621.72

Finding the Fourth Proportional to 65,476.24, 90,367.48 and 38,621.72

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Solution

The fourth proportional to 65,476.24, 90,367.48 and 38,621.72 is: 53,304.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,476.24 : 90,367.48 = 38,621.72 : x
  2. Step 2: Convert to fraction form
    65,476.24/90,367.48 = 38,621.72/x
  3. Step 3: Cross multiply
    65,476.24x = 90,367.48 × 38,621.72
  4. Step 4: Simplify right side
    65,476.24x = 3,490,147,509.67
  5. Step 5: Solve for x
    x = 3,490,147,509.67/65,476.24
  6. Step 6: Final answer
    x = 53,304.03

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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.