Home / 39,099.60-53,988.51-36,114.36

Finding the Fourth Proportional to 39,099.60, 53,988.51 and 36,114.36

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Solution

The fourth proportional to 39,099.60, 53,988.51 and 36,114.36 is: 49,866.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,099.60 : 53,988.51 = 36,114.36 : x
  2. Step 2: Convert to fraction form
    39,099.60/53,988.51 = 36,114.36/x
  3. Step 3: Cross multiply
    39,099.60x = 53,988.51 × 36,114.36
  4. Step 4: Simplify right side
    39,099.60x = 1,949,760,486.00
  5. Step 5: Solve for x
    x = 1,949,760,486.00/39,099.60
  6. Step 6: Final answer
    x = 49,866.51

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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.