Home / 40,302.06-60,448.28-12,220.98

Finding the Fourth Proportional to 40,302.06, 60,448.28 and 12,220.98

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Solution

The fourth proportional to 40,302.06, 60,448.28 and 12,220.98 is: 18,330.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,302.06 : 60,448.28 = 12,220.98 : x
  2. Step 2: Convert to fraction form
    40,302.06/60,448.28 = 12,220.98/x
  3. Step 3: Cross multiply
    40,302.06x = 60,448.28 × 12,220.98
  4. Step 4: Simplify right side
    40,302.06x = 738,736,933.13
  5. Step 5: Solve for x
    x = 738,736,933.13/40,302.06
  6. Step 6: Final answer
    x = 18,330.01

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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.