Home / 39,562.20-59,343.90-12,908.07

Finding the Fourth Proportional to 39,562.20, 59,343.90 and 12,908.07

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Solution

The fourth proportional to 39,562.20, 59,343.90 and 12,908.07 is: 19,362.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,562.20 : 59,343.90 = 12,908.07 : x
  2. Step 2: Convert to fraction form
    39,562.20/59,343.90 = 12,908.07/x
  3. Step 3: Cross multiply
    39,562.20x = 59,343.90 × 12,908.07
  4. Step 4: Simplify right side
    39,562.20x = 766,015,215.27
  5. Step 5: Solve for x
    x = 766,015,215.27/39,562.20
  6. Step 6: Final answer
    x = 19,362.30

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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.