Home / 35,229.31-48,588.21-30,971.32

Finding the Fourth Proportional to 35,229.31, 48,588.21 and 30,971.32

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Solution

The fourth proportional to 35,229.31, 48,588.21 and 30,971.32 is: 42,715.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,229.31 : 48,588.21 = 30,971.32 : x
  2. Step 2: Convert to fraction form
    35,229.31/48,588.21 = 30,971.32/x
  3. Step 3: Cross multiply
    35,229.31x = 48,588.21 × 30,971.32
  4. Step 4: Simplify right side
    35,229.31x = 1,504,840,878.67
  5. Step 5: Solve for x
    x = 1,504,840,878.67/35,229.31
  6. Step 6: Final answer
    x = 42,715.60

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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.