Home / 35,715.67-49,284.05-21,372.59

Finding the Fourth Proportional to 35,715.67, 49,284.05 and 21,372.59

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Solution

The fourth proportional to 35,715.67, 49,284.05 and 21,372.59 is: 29,492.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,715.67 : 49,284.05 = 21,372.59 : x
  2. Step 2: Convert to fraction form
    35,715.67/49,284.05 = 21,372.59/x
  3. Step 3: Cross multiply
    35,715.67x = 49,284.05 × 21,372.59
  4. Step 4: Simplify right side
    35,715.67x = 1,053,327,810.54
  5. Step 5: Solve for x
    x = 1,053,327,810.54/35,715.67
  6. Step 6: Final answer
    x = 29,492.04

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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.