Home / 30,851.30-46,272.80-13,088.99

Finding the Fourth Proportional to 30,851.30, 46,272.80 and 13,088.99

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Solution

The fourth proportional to 30,851.30, 46,272.80 and 13,088.99 is: 19,631.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,851.30 : 46,272.80 = 13,088.99 : x
  2. Step 2: Convert to fraction form
    30,851.30/46,272.80 = 13,088.99/x
  3. Step 3: Cross multiply
    30,851.30x = 46,272.80 × 13,088.99
  4. Step 4: Simplify right side
    30,851.30x = 605,663,919.66
  5. Step 5: Solve for x
    x = 605,663,919.66/30,851.30
  6. Step 6: Final answer
    x = 19,631.72

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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.