Home / 30,286.97-45,437.78-9,510.47

Finding the Fourth Proportional to 30,286.97, 45,437.78 and 9,510.47

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Solution

The fourth proportional to 30,286.97, 45,437.78 and 9,510.47 is: 14,268.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,286.97 : 45,437.78 = 9,510.47 : x
  2. Step 2: Convert to fraction form
    30,286.97/45,437.78 = 9,510.47/x
  3. Step 3: Cross multiply
    30,286.97x = 45,437.78 × 9,510.47
  4. Step 4: Simplify right side
    30,286.97x = 432,134,643.56
  5. Step 5: Solve for x
    x = 432,134,643.56/30,286.97
  6. Step 6: Final answer
    x = 14,268.01

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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.