Home / 40,988.53-61,482.76-11,406.38

Finding the Fourth Proportional to 40,988.53, 61,482.76 and 11,406.38

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Solution

The fourth proportional to 40,988.53, 61,482.76 and 11,406.38 is: 17,109.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,988.53 : 61,482.76 = 11,406.38 : x
  2. Step 2: Convert to fraction form
    40,988.53/61,482.76 = 11,406.38/x
  3. Step 3: Cross multiply
    40,988.53x = 61,482.76 × 11,406.38
  4. Step 4: Simplify right side
    40,988.53x = 701,295,666.98
  5. Step 5: Solve for x
    x = 701,295,666.98/40,988.53
  6. Step 6: Final answer
    x = 17,109.56

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1.5x scale

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.