Home / 19,944.50-29,935.10-10,090.71

Finding the Fourth Proportional to 19,944.50, 29,935.10 and 10,090.71

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Solution

The fourth proportional to 19,944.50, 29,935.10 and 10,090.71 is: 15,145.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,944.50 : 29,935.10 = 10,090.71 : x
  2. Step 2: Convert to fraction form
    19,944.50/29,935.10 = 10,090.71/x
  3. Step 3: Cross multiply
    19,944.50x = 29,935.10 × 10,090.71
  4. Step 4: Simplify right side
    19,944.50x = 302,066,438.15
  5. Step 5: Solve for x
    x = 302,066,438.15/19,944.50
  6. Step 6: Final answer
    x = 15,145.35

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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.