Home / 30,302.19-45,460.98-10,581.12

Finding the Fourth Proportional to 30,302.19, 45,460.98 and 10,581.12

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Solution

The fourth proportional to 30,302.19, 45,460.98 and 10,581.12 is: 15,874.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,302.19 : 45,460.98 = 10,581.12 : x
  2. Step 2: Convert to fraction form
    30,302.19/45,460.98 = 10,581.12/x
  3. Step 3: Cross multiply
    30,302.19x = 45,460.98 × 10,581.12
  4. Step 4: Simplify right side
    30,302.19x = 481,028,084.70
  5. Step 5: Solve for x
    x = 481,028,084.70/30,302.19
  6. Step 6: Final answer
    x = 15,874.37

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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.