Home / 30,047.95-45,079.31-10,326.79

Finding the Fourth Proportional to 30,047.95, 45,079.31 and 10,326.79

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Solution

The fourth proportional to 30,047.95, 45,079.31 and 10,326.79 is: 15,492.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,047.95 : 45,079.31 = 10,326.79 : x
  2. Step 2: Convert to fraction form
    30,047.95/45,079.31 = 10,326.79/x
  3. Step 3: Cross multiply
    30,047.95x = 45,079.31 × 10,326.79
  4. Step 4: Simplify right side
    30,047.95x = 465,524,567.71
  5. Step 5: Solve for x
    x = 465,524,567.71/30,047.95
  6. Step 6: Final answer
    x = 15,492.72

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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.