Home / 30,547.01-45,821.12-13,895.43

Finding the Fourth Proportional to 30,547.01, 45,821.12 and 13,895.43

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Solution

The fourth proportional to 30,547.01, 45,821.12 and 13,895.43 is: 20,843.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,547.01 : 45,821.12 = 13,895.43 : x
  2. Step 2: Convert to fraction form
    30,547.01/45,821.12 = 13,895.43/x
  3. Step 3: Cross multiply
    30,547.01x = 45,821.12 × 13,895.43
  4. Step 4: Simplify right side
    30,547.01x = 636,704,096.00
  5. Step 5: Solve for x
    x = 636,704,096.00/30,547.01
  6. Step 6: Final answer
    x = 20,843.42

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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.