Home / 30,587.28-45,876.60-9,808.08

Finding the Fourth Proportional to 30,587.28, 45,876.60 and 9,808.08

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Solution

The fourth proportional to 30,587.28, 45,876.60 and 9,808.08 is: 14,710.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,587.28 : 45,876.60 = 9,808.08 : x
  2. Step 2: Convert to fraction form
    30,587.28/45,876.60 = 9,808.08/x
  3. Step 3: Cross multiply
    30,587.28x = 45,876.60 × 9,808.08
  4. Step 4: Simplify right side
    30,587.28x = 449,961,362.93
  5. Step 5: Solve for x
    x = 449,961,362.93/30,587.28
  6. Step 6: Final answer
    x = 14,710.73

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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.