Home / 39,984.16-55,136.73-34,337.60

Finding the Fourth Proportional to 39,984.16, 55,136.73 and 34,337.60

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Solution

The fourth proportional to 39,984.16, 55,136.73 and 34,337.60 is: 47,350.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,984.16 : 55,136.73 = 34,337.60 : x
  2. Step 2: Convert to fraction form
    39,984.16/55,136.73 = 34,337.60/x
  3. Step 3: Cross multiply
    39,984.16x = 55,136.73 × 34,337.60
  4. Step 4: Simplify right side
    39,984.16x = 1,893,262,980.05
  5. Step 5: Solve for x
    x = 1,893,262,980.05/39,984.16
  6. Step 6: Final answer
    x = 47,350.33

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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.