Home / 49,770.40-74,655.60-12,834.40

Finding the Fourth Proportional to 49,770.40, 74,655.60 and 12,834.40

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Solution

The fourth proportional to 49,770.40, 74,655.60 and 12,834.40 is: 19,251.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,770.40 : 74,655.60 = 12,834.40 : x
  2. Step 2: Convert to fraction form
    49,770.40/74,655.60 = 12,834.40/x
  3. Step 3: Cross multiply
    49,770.40x = 74,655.60 × 12,834.40
  4. Step 4: Simplify right side
    49,770.40x = 958,159,832.64
  5. Step 5: Solve for x
    x = 958,159,832.64/49,770.40
  6. Step 6: Final answer
    x = 19,251.60

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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.