Home / 40,712.67-61,072.65-11,130.66

Finding the Fourth Proportional to 40,712.67, 61,072.65 and 11,130.66

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Solution

The fourth proportional to 40,712.67, 61,072.65 and 11,130.66 is: 16,696.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,712.67 : 61,072.65 = 11,130.66 : x
  2. Step 2: Convert to fraction form
    40,712.67/61,072.65 = 11,130.66/x
  3. Step 3: Cross multiply
    40,712.67x = 61,072.65 × 11,130.66
  4. Step 4: Simplify right side
    40,712.67x = 679,778,902.45
  5. Step 5: Solve for x
    x = 679,778,902.45/40,712.67
  6. Step 6: Final answer
    x = 16,696.99

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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.