Home / 29,497.16-40,720.74-20,115.02

Finding the Fourth Proportional to 29,497.16, 40,720.74 and 20,115.02

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Solution

The fourth proportional to 29,497.16, 40,720.74 and 20,115.02 is: 27,768.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,497.16 : 40,720.74 = 20,115.02 : x
  2. Step 2: Convert to fraction form
    29,497.16/40,720.74 = 20,115.02/x
  3. Step 3: Cross multiply
    29,497.16x = 40,720.74 × 20,115.02
  4. Step 4: Simplify right side
    29,497.16x = 819,098,499.51
  5. Step 5: Solve for x
    x = 819,098,499.51/29,497.16
  6. Step 6: Final answer
    x = 27,768.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.