Home / 39,016.05-53,841.76-21,110.66

Finding the Fourth Proportional to 39,016.05, 53,841.76 and 21,110.66

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Solution

The fourth proportional to 39,016.05, 53,841.76 and 21,110.66 is: 29,132.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,016.05 : 53,841.76 = 21,110.66 : x
  2. Step 2: Convert to fraction form
    39,016.05/53,841.76 = 21,110.66/x
  3. Step 3: Cross multiply
    39,016.05x = 53,841.76 × 21,110.66
  4. Step 4: Simplify right side
    39,016.05x = 1,136,634,901.78
  5. Step 5: Solve for x
    x = 1,136,634,901.78/39,016.05
  6. Step 6: Final answer
    x = 29,132.50

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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.