Home / 40,356.06-60,539.85-12,656.22

Finding the Fourth Proportional to 40,356.06, 60,539.85 and 12,656.22

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Solution

The fourth proportional to 40,356.06, 60,539.85 and 12,656.22 is: 18,986.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,356.06 : 60,539.85 = 12,656.22 : x
  2. Step 2: Convert to fraction form
    40,356.06/60,539.85 = 12,656.22/x
  3. Step 3: Cross multiply
    40,356.06x = 60,539.85 × 12,656.22
  4. Step 4: Simplify right side
    40,356.06x = 766,205,660.37
  5. Step 5: Solve for x
    x = 766,205,660.37/40,356.06
  6. Step 6: Final answer
    x = 18,986.14

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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.