Home / 30,074.28-45,113.58-9,295.08

Finding the Fourth Proportional to 30,074.28, 45,113.58 and 9,295.08

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Solution

The fourth proportional to 30,074.28, 45,113.58 and 9,295.08 is: 13,943.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,074.28 : 45,113.58 = 9,295.08 : x
  2. Step 2: Convert to fraction form
    30,074.28/45,113.58 = 9,295.08/x
  3. Step 3: Cross multiply
    30,074.28x = 45,113.58 × 9,295.08
  4. Step 4: Simplify right side
    30,074.28x = 419,334,335.19
  5. Step 5: Solve for x
    x = 419,334,335.19/30,074.28
  6. Step 6: Final answer
    x = 13,943.29

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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.