Home / 30,206.61-45,309.93-11,482.23

Finding the Fourth Proportional to 30,206.61, 45,309.93 and 11,482.23

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Solution

The fourth proportional to 30,206.61, 45,309.93 and 11,482.23 is: 17,223.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,206.61 : 45,309.93 = 11,482.23 : x
  2. Step 2: Convert to fraction form
    30,206.61/45,309.93 = 11,482.23/x
  3. Step 3: Cross multiply
    30,206.61x = 45,309.93 × 11,482.23
  4. Step 4: Simplify right side
    30,206.61x = 520,259,037.54
  5. Step 5: Solve for x
    x = 520,259,037.54/30,206.61
  6. Step 6: Final answer
    x = 17,223.35

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Similar ratio
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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.