Home / 39,705.04-54,777.33-22,700.15

Finding the Fourth Proportional to 39,705.04, 54,777.33 and 22,700.15

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Solution

The fourth proportional to 39,705.04, 54,777.33 and 22,700.15 is: 31,317.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,705.04 : 54,777.33 = 22,700.15 : x
  2. Step 2: Convert to fraction form
    39,705.04/54,777.33 = 22,700.15/x
  3. Step 3: Cross multiply
    39,705.04x = 54,777.33 × 22,700.15
  4. Step 4: Simplify right side
    39,705.04x = 1,243,453,607.60
  5. Step 5: Solve for x
    x = 1,243,453,607.60/39,705.04
  6. Step 6: Final answer
    x = 31,317.27

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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.