Home / 30,290.83-45,433.00-10,569.76

Finding the Fourth Proportional to 30,290.83, 45,433.00 and 10,569.76

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Solution

The fourth proportional to 30,290.83, 45,433.00 and 10,569.76 is: 15,853.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,290.83 : 45,433.00 = 10,569.76 : x
  2. Step 2: Convert to fraction form
    30,290.83/45,433.00 = 10,569.76/x
  3. Step 3: Cross multiply
    30,290.83x = 45,433.00 × 10,569.76
  4. Step 4: Simplify right side
    30,290.83x = 480,215,805.71
  5. Step 5: Solve for x
    x = 480,215,805.71/30,290.83
  6. Step 6: Final answer
    x = 15,853.51

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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.