Home / 38,931.63-58,407.16-11,229.63

Finding the Fourth Proportional to 38,931.63, 58,407.16 and 11,229.63

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Solution

The fourth proportional to 38,931.63, 58,407.16 and 11,229.63 is: 16,847.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,931.63 : 58,407.16 = 11,229.63 : x
  2. Step 2: Convert to fraction form
    38,931.63/58,407.16 = 11,229.63/x
  3. Step 3: Cross multiply
    38,931.63x = 58,407.16 × 11,229.63
  4. Step 4: Simplify right side
    38,931.63x = 655,890,796.15
  5. Step 5: Solve for x
    x = 655,890,796.15/38,931.63
  6. Step 6: Final answer
    x = 16,847.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.