Home / 40,423.40-60,646.06-15,450.30

Finding the Fourth Proportional to 40,423.40, 60,646.06 and 15,450.30

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Solution

The fourth proportional to 40,423.40, 60,646.06 and 15,450.30 is: 23,179.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,423.40 : 60,646.06 = 15,450.30 : x
  2. Step 2: Convert to fraction form
    40,423.40/60,646.06 = 15,450.30/x
  3. Step 3: Cross multiply
    40,423.40x = 60,646.06 × 15,450.30
  4. Step 4: Simplify right side
    40,423.40x = 936,999,820.82
  5. Step 5: Solve for x
    x = 936,999,820.82/40,423.40
  6. Step 6: Final answer
    x = 23,179.64

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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.