Home / 30,291.27-45,433.66-10,570.20

Finding the Fourth Proportional to 30,291.27, 45,433.66 and 10,570.20

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Solution

The fourth proportional to 30,291.27, 45,433.66 and 10,570.20 is: 15,854.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,291.27 : 45,433.66 = 10,570.20 : x
  2. Step 2: Convert to fraction form
    30,291.27/45,433.66 = 10,570.20/x
  3. Step 3: Cross multiply
    30,291.27x = 45,433.66 × 10,570.20
  4. Step 4: Simplify right side
    30,291.27x = 480,242,872.93
  5. Step 5: Solve for x
    x = 480,242,872.93/30,291.27
  6. Step 6: Final answer
    x = 15,854.17

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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.