Home / 39,807.12-59,359.49-39,451.80

Finding the Fourth Proportional to 39,807.12, 59,359.49 and 39,451.80

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Solution

The fourth proportional to 39,807.12, 59,359.49 and 39,451.80 is: 58,829.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,807.12 : 59,359.49 = 39,451.80 : x
  2. Step 2: Convert to fraction form
    39,807.12/59,359.49 = 39,451.80/x
  3. Step 3: Cross multiply
    39,807.12x = 59,359.49 × 39,451.80
  4. Step 4: Simplify right side
    39,807.12x = 2,341,838,530.32
  5. Step 5: Solve for x
    x = 2,341,838,530.32/39,807.12
  6. Step 6: Final answer
    x = 58,829.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.