Home / 30,316.36-45,517.08-15,535.88

Finding the Fourth Proportional to 30,316.36, 45,517.08 and 15,535.88

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Solution

The fourth proportional to 30,316.36, 45,517.08 and 15,535.88 is: 23,325.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,316.36 : 45,517.08 = 15,535.88 : x
  2. Step 2: Convert to fraction form
    30,316.36/45,517.08 = 15,535.88/x
  3. Step 3: Cross multiply
    30,316.36x = 45,517.08 × 15,535.88
  4. Step 4: Simplify right side
    30,316.36x = 707,147,892.83
  5. Step 5: Solve for x
    x = 707,147,892.83/30,316.36
  6. Step 6: Final answer
    x = 23,325.62

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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.