Home / 30,260.08-45,353.04-10,515.76

Finding the Fourth Proportional to 30,260.08, 45,353.04 and 10,515.76

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Solution

The fourth proportional to 30,260.08, 45,353.04 and 10,515.76 is: 15,760.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,260.08 : 45,353.04 = 10,515.76 : x
  2. Step 2: Convert to fraction form
    30,260.08/45,353.04 = 10,515.76/x
  3. Step 3: Cross multiply
    30,260.08x = 45,353.04 × 10,515.76
  4. Step 4: Simplify right side
    30,260.08x = 476,921,683.91
  5. Step 5: Solve for x
    x = 476,921,683.91/30,260.08
  6. Step 6: Final answer
    x = 15,760.75

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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.