Home / 51,607.90-71,225.49-30,389.14

Finding the Fourth Proportional to 51,607.90, 71,225.49 and 30,389.14

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Solution

The fourth proportional to 51,607.90, 71,225.49 and 30,389.14 is: 41,940.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,607.90 : 71,225.49 = 30,389.14 : x
  2. Step 2: Convert to fraction form
    51,607.90/71,225.49 = 30,389.14/x
  3. Step 3: Cross multiply
    51,607.90x = 71,225.49 × 30,389.14
  4. Step 4: Simplify right side
    51,607.90x = 2,164,481,387.18
  5. Step 5: Solve for x
    x = 2,164,481,387.18/51,607.90
  6. Step 6: Final answer
    x = 41,940.89

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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.