Home / 30,043.95-45,073.31-10,322.79

Finding the Fourth Proportional to 30,043.95, 45,073.31 and 10,322.79

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Solution

The fourth proportional to 30,043.95, 45,073.31 and 10,322.79 is: 15,486.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,043.95 : 45,073.31 = 10,322.79 : x
  2. Step 2: Convert to fraction form
    30,043.95/45,073.31 = 10,322.79/x
  3. Step 3: Cross multiply
    30,043.95x = 45,073.31 × 10,322.79
  4. Step 4: Simplify right side
    30,043.95x = 465,282,262.12
  5. Step 5: Solve for x
    x = 465,282,262.12/30,043.95
  6. Step 6: Final answer
    x = 15,486.72

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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.