Home / 30,108.61-41,549.29-16,679.85

Finding the Fourth Proportional to 30,108.61, 41,549.29 and 16,679.85

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Solution

The fourth proportional to 30,108.61, 41,549.29 and 16,679.85 is: 23,017.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,108.61 : 41,549.29 = 16,679.85 : x
  2. Step 2: Convert to fraction form
    30,108.61/41,549.29 = 16,679.85/x
  3. Step 3: Cross multiply
    30,108.61x = 41,549.29 × 16,679.85
  4. Step 4: Simplify right side
    30,108.61x = 693,035,924.81
  5. Step 5: Solve for x
    x = 693,035,924.81/30,108.61
  6. Step 6: Final answer
    x = 23,017.87

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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.