Home / 30,291.11-45,433.42-10,570.04

Finding the Fourth Proportional to 30,291.11, 45,433.42 and 10,570.04

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Solution

The fourth proportional to 30,291.11, 45,433.42 and 10,570.04 is: 15,853.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,291.11 : 45,433.42 = 10,570.04 : x
  2. Step 2: Convert to fraction form
    30,291.11/45,433.42 = 10,570.04/x
  3. Step 3: Cross multiply
    30,291.11x = 45,433.42 × 10,570.04
  4. Step 4: Simplify right side
    30,291.11x = 480,233,066.74
  5. Step 5: Solve for x
    x = 480,233,066.74/30,291.11
  6. Step 6: Final answer
    x = 15,853.93

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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.