Home / 40,168.50-60,289.80-20,461.74

Finding the Fourth Proportional to 40,168.50, 60,289.80 and 20,461.74

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Solution

The fourth proportional to 40,168.50, 60,289.80 and 20,461.74 is: 30,711.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,168.50 : 60,289.80 = 20,461.74 : x
  2. Step 2: Convert to fraction form
    40,168.50/60,289.80 = 20,461.74/x
  3. Step 3: Cross multiply
    40,168.50x = 60,289.80 × 20,461.74
  4. Step 4: Simplify right side
    40,168.50x = 1,233,634,212.25
  5. Step 5: Solve for x
    x = 1,233,634,212.25/40,168.50
  6. Step 6: Final answer
    x = 30,711.48

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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.