Home / 40,007.70-60,011.55-12,302.10

Finding the Fourth Proportional to 40,007.70, 60,011.55 and 12,302.10

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Solution

The fourth proportional to 40,007.70, 60,011.55 and 12,302.10 is: 18,453.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,007.70 : 60,011.55 = 12,302.10 : x
  2. Step 2: Convert to fraction form
    40,007.70/60,011.55 = 12,302.10/x
  3. Step 3: Cross multiply
    40,007.70x = 60,011.55 × 12,302.10
  4. Step 4: Simplify right side
    40,007.70x = 738,268,089.26
  5. Step 5: Solve for x
    x = 738,268,089.26/40,007.70
  6. Step 6: Final answer
    x = 18,453.15

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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.