Home / 30,293.84-45,390.36-10,561.52

Finding the Fourth Proportional to 30,293.84, 45,390.36 and 10,561.52

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Solution

The fourth proportional to 30,293.84, 45,390.36 and 10,561.52 is: 15,824.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,293.84 : 45,390.36 = 10,561.52 : x
  2. Step 2: Convert to fraction form
    30,293.84/45,390.36 = 10,561.52/x
  3. Step 3: Cross multiply
    30,293.84x = 45,390.36 × 10,561.52
  4. Step 4: Simplify right side
    30,293.84x = 479,391,194.95
  5. Step 5: Solve for x
    x = 479,391,194.95/30,293.84
  6. Step 6: Final answer
    x = 15,824.71

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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.