Home / 39,899.46-55,083.75-26,489.05

Finding the Fourth Proportional to 39,899.46, 55,083.75 and 26,489.05

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Solution

The fourth proportional to 39,899.46, 55,083.75 and 26,489.05 is: 36,569.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,899.46 : 55,083.75 = 26,489.05 : x
  2. Step 2: Convert to fraction form
    39,899.46/55,083.75 = 26,489.05/x
  3. Step 3: Cross multiply
    39,899.46x = 55,083.75 × 26,489.05
  4. Step 4: Simplify right side
    39,899.46x = 1,459,115,970.89
  5. Step 5: Solve for x
    x = 1,459,115,970.89/39,899.46
  6. Step 6: Final answer
    x = 36,569.81

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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.