Home / 30,585.45-45,897.66-13,947.14

Finding the Fourth Proportional to 30,585.45, 45,897.66 and 13,947.14

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Solution

The fourth proportional to 30,585.45, 45,897.66 and 13,947.14 is: 20,929.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,585.45 : 45,897.66 = 13,947.14 : x
  2. Step 2: Convert to fraction form
    30,585.45/45,897.66 = 13,947.14/x
  3. Step 3: Cross multiply
    30,585.45x = 45,897.66 × 13,947.14
  4. Step 4: Simplify right side
    30,585.45x = 640,140,860.20
  5. Step 5: Solve for x
    x = 640,140,860.20/30,585.45
  6. Step 6: Final answer
    x = 20,929.59

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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.