Home / 30,251.68-45,382.37-10,535.84

Finding the Fourth Proportional to 30,251.68, 45,382.37 and 10,535.84

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Solution

The fourth proportional to 30,251.68, 45,382.37 and 10,535.84 is: 15,805.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,251.68 : 45,382.37 = 10,535.84 : x
  2. Step 2: Convert to fraction form
    30,251.68/45,382.37 = 10,535.84/x
  3. Step 3: Cross multiply
    30,251.68x = 45,382.37 × 10,535.84
  4. Step 4: Simplify right side
    30,251.68x = 478,141,389.14
  5. Step 5: Solve for x
    x = 478,141,389.14/30,251.68
  6. Step 6: Final answer
    x = 15,805.45

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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.