Home / 30,208.95-45,322.47-10,487.61

Finding the Fourth Proportional to 30,208.95, 45,322.47 and 10,487.61

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Solution

The fourth proportional to 30,208.95, 45,322.47 and 10,487.61 is: 15,734.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,208.95 : 45,322.47 = 10,487.61 : x
  2. Step 2: Convert to fraction form
    30,208.95/45,322.47 = 10,487.61/x
  3. Step 3: Cross multiply
    30,208.95x = 45,322.47 × 10,487.61
  4. Step 4: Simplify right side
    30,208.95x = 475,324,389.60
  5. Step 5: Solve for x
    x = 475,324,389.60/30,208.95
  6. Step 6: Final answer
    x = 15,734.56

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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.