Home / 39,720.83-59,866.79-34,240.37

Finding the Fourth Proportional to 39,720.83, 59,866.79 and 34,240.37

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Solution

The fourth proportional to 39,720.83, 59,866.79 and 34,240.37 is: 51,606.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,720.83 : 59,866.79 = 34,240.37 : x
  2. Step 2: Convert to fraction form
    39,720.83/59,866.79 = 34,240.37/x
  3. Step 3: Cross multiply
    39,720.83x = 59,866.79 × 34,240.37
  4. Step 4: Simplify right side
    39,720.83x = 2,049,860,569.78
  5. Step 5: Solve for x
    x = 2,049,860,569.78/39,720.83
  6. Step 6: Final answer
    x = 51,606.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.