Home / 30,618.09-45,928.85-9,561.04

Finding the Fourth Proportional to 30,618.09, 45,928.85 and 9,561.04

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Solution

The fourth proportional to 30,618.09, 45,928.85 and 9,561.04 is: 14,342.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,618.09 : 45,928.85 = 9,561.04 : x
  2. Step 2: Convert to fraction form
    30,618.09/45,928.85 = 9,561.04/x
  3. Step 3: Cross multiply
    30,618.09x = 45,928.85 × 9,561.04
  4. Step 4: Simplify right side
    30,618.09x = 439,127,409.38
  5. Step 5: Solve for x
    x = 439,127,409.38/30,618.09
  6. Step 6: Final answer
    x = 14,342.09

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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.