Home / 30,117.12-45,182.08-9,340.16

Finding the Fourth Proportional to 30,117.12, 45,182.08 and 9,340.16

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Solution

The fourth proportional to 30,117.12, 45,182.08 and 9,340.16 is: 14,012.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,117.12 : 45,182.08 = 9,340.16 : x
  2. Step 2: Convert to fraction form
    30,117.12/45,182.08 = 9,340.16/x
  3. Step 3: Cross multiply
    30,117.12x = 45,182.08 × 9,340.16
  4. Step 4: Simplify right side
    30,117.12x = 422,007,856.33
  5. Step 5: Solve for x
    x = 422,007,856.33/30,117.12
  6. Step 6: Final answer
    x = 14,012.22

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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.