Home / 30,248.24-45,372.20-7,758.81

Finding the Fourth Proportional to 30,248.24, 45,372.20 and 7,758.81

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Solution

The fourth proportional to 30,248.24, 45,372.20 and 7,758.81 is: 11,638.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,248.24 : 45,372.20 = 7,758.81 : x
  2. Step 2: Convert to fraction form
    30,248.24/45,372.20 = 7,758.81/x
  3. Step 3: Cross multiply
    30,248.24x = 45,372.20 × 7,758.81
  4. Step 4: Simplify right side
    30,248.24x = 352,034,240.29
  5. Step 5: Solve for x
    x = 352,034,240.29/30,248.24
  6. Step 6: Final answer
    x = 11,638.17

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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.