Home / 30,126.40-45,117.60-16,244.80

Finding the Fourth Proportional to 30,126.40, 45,117.60 and 16,244.80

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Solution

The fourth proportional to 30,126.40, 45,117.60 and 16,244.80 is: 24,328.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,126.40 : 45,117.60 = 16,244.80 : x
  2. Step 2: Convert to fraction form
    30,126.40/45,117.60 = 16,244.80/x
  3. Step 3: Cross multiply
    30,126.40x = 45,117.60 × 16,244.80
  4. Step 4: Simplify right side
    30,126.40x = 732,926,388.48
  5. Step 5: Solve for x
    x = 732,926,388.48/30,126.40
  6. Step 6: Final answer
    x = 24,328.38

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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.