Home / 39,688.23-54,772.28-26,235.89

Finding the Fourth Proportional to 39,688.23, 54,772.28 and 26,235.89

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Solution

The fourth proportional to 39,688.23, 54,772.28 and 26,235.89 is: 36,207.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,688.23 : 54,772.28 = 26,235.89 : x
  2. Step 2: Convert to fraction form
    39,688.23/54,772.28 = 26,235.89/x
  3. Step 3: Cross multiply
    39,688.23x = 54,772.28 × 26,235.89
  4. Step 4: Simplify right side
    39,688.23x = 1,436,999,108.09
  5. Step 5: Solve for x
    x = 1,436,999,108.09/39,688.23
  6. Step 6: Final answer
    x = 36,207.19

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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.