Home / 29,515.60-44,276.10-11,981.80

Finding the Fourth Proportional to 29,515.60, 44,276.10 and 11,981.80

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Solution

The fourth proportional to 29,515.60, 44,276.10 and 11,981.80 is: 17,973.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,515.60 : 44,276.10 = 11,981.80 : x
  2. Step 2: Convert to fraction form
    29,515.60/44,276.10 = 11,981.80/x
  3. Step 3: Cross multiply
    29,515.60x = 44,276.10 × 11,981.80
  4. Step 4: Simplify right side
    29,515.60x = 530,507,374.98
  5. Step 5: Solve for x
    x = 530,507,374.98/29,515.60
  6. Step 6: Final answer
    x = 17,973.80

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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.