Home / 29,814.65-41,127.08-18,617.21

Finding the Fourth Proportional to 29,814.65, 41,127.08 and 18,617.21

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Solution

The fourth proportional to 29,814.65, 41,127.08 and 18,617.21 is: 25,681.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,814.65 : 41,127.08 = 18,617.21 : x
  2. Step 2: Convert to fraction form
    29,814.65/41,127.08 = 18,617.21/x
  3. Step 3: Cross multiply
    29,814.65x = 41,127.08 × 18,617.21
  4. Step 4: Simplify right side
    29,814.65x = 765,671,340.55
  5. Step 5: Solve for x
    x = 765,671,340.55/29,814.65
  6. Step 6: Final answer
    x = 25,681.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.