Home / 62,681.40-94,105.53-36,405

Finding the Fourth Proportional to 62,681.40, 94,105.53 and 36,405

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Solution

The fourth proportional to 62,681.40, 94,105.53 and 36,405 is: 54,655.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,681.40 : 94,105.53 = 36,405 : x
  2. Step 2: Convert to fraction form
    62,681.40/94,105.53 = 36,405/x
  3. Step 3: Cross multiply
    62,681.40x = 94,105.53 × 36,405
  4. Step 4: Simplify right side
    62,681.40x = 3,425,911,819.65
  5. Step 5: Solve for x
    x = 3,425,911,819.65/62,681.40
  6. Step 6: Final answer
    x = 54,655.96

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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.