Home / 40,401.79-60,606.19-12,328.17

Finding the Fourth Proportional to 40,401.79, 60,606.19 and 12,328.17

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Solution

The fourth proportional to 40,401.79, 60,606.19 and 12,328.17 is: 18,493.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,401.79 : 60,606.19 = 12,328.17 : x
  2. Step 2: Convert to fraction form
    40,401.79/60,606.19 = 12,328.17/x
  3. Step 3: Cross multiply
    40,401.79x = 60,606.19 × 12,328.17
  4. Step 4: Simplify right side
    40,401.79x = 747,163,201.51
  5. Step 5: Solve for x
    x = 747,163,201.51/40,401.79
  6. Step 6: Final answer
    x = 18,493.32

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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.