Home / 39,640.50-59,534.55-38,054.88

Finding the Fourth Proportional to 39,640.50, 59,534.55 and 38,054.88

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Solution

The fourth proportional to 39,640.50, 59,534.55 and 38,054.88 is: 57,153.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,640.50 : 59,534.55 = 38,054.88 : x
  2. Step 2: Convert to fraction form
    39,640.50/59,534.55 = 38,054.88/x
  3. Step 3: Cross multiply
    39,640.50x = 59,534.55 × 38,054.88
  4. Step 4: Simplify right side
    39,640.50x = 2,265,580,156.10
  5. Step 5: Solve for x
    x = 2,265,580,156.10/39,640.50
  6. Step 6: Final answer
    x = 57,153.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.