Home / 40,048.16-60,071.42-11,968.30

Finding the Fourth Proportional to 40,048.16, 60,071.42 and 11,968.30

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Solution

The fourth proportional to 40,048.16, 60,071.42 and 11,968.30 is: 17,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,048.16 : 60,071.42 = 11,968.30 : x
  2. Step 2: Convert to fraction form
    40,048.16/60,071.42 = 11,968.30/x
  3. Step 3: Cross multiply
    40,048.16x = 60,071.42 × 11,968.30
  4. Step 4: Simplify right side
    40,048.16x = 718,952,775.99
  5. Step 5: Solve for x
    x = 718,952,775.99/40,048.16
  6. Step 6: Final answer
    x = 17,952.20

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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.