Home / 30,186.30-45,264.24-10,459.56

Finding the Fourth Proportional to 30,186.30, 45,264.24 and 10,459.56

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Solution

The fourth proportional to 30,186.30, 45,264.24 and 10,459.56 is: 15,684.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,186.30 : 45,264.24 = 10,459.56 : x
  2. Step 2: Convert to fraction form
    30,186.30/45,264.24 = 10,459.56/x
  3. Step 3: Cross multiply
    30,186.30x = 45,264.24 × 10,459.56
  4. Step 4: Simplify right side
    30,186.30x = 473,444,034.13
  5. Step 5: Solve for x
    x = 473,444,034.13/30,186.30
  6. Step 6: Final answer
    x = 15,684.07

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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.