Home / 40,230.30-60,345.45-13,926.30

Finding the Fourth Proportional to 40,230.30, 60,345.45 and 13,926.30

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Solution

The fourth proportional to 40,230.30, 60,345.45 and 13,926.30 is: 20,889.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,230.30 : 60,345.45 = 13,926.30 : x
  2. Step 2: Convert to fraction form
    40,230.30/60,345.45 = 13,926.30/x
  3. Step 3: Cross multiply
    40,230.30x = 60,345.45 × 13,926.30
  4. Step 4: Simplify right side
    40,230.30x = 840,388,840.34
  5. Step 5: Solve for x
    x = 840,388,840.34/40,230.30
  6. Step 6: Final answer
    x = 20,889.45

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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.