Home / 40,266.80-60,376.56-12,178.40

Finding the Fourth Proportional to 40,266.80, 60,376.56 and 12,178.40

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Solution

The fourth proportional to 40,266.80, 60,376.56 and 12,178.40 is: 18,260.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,266.80 : 60,376.56 = 12,178.40 : x
  2. Step 2: Convert to fraction form
    40,266.80/60,376.56 = 12,178.40/x
  3. Step 3: Cross multiply
    40,266.80x = 60,376.56 × 12,178.40
  4. Step 4: Simplify right side
    40,266.80x = 735,289,898.30
  5. Step 5: Solve for x
    x = 735,289,898.30/40,266.80
  6. Step 6: Final answer
    x = 18,260.45

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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.