Home / 39,079.60-53,931.96-22,084.55

Finding the Fourth Proportional to 39,079.60, 53,931.96 and 22,084.55

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Solution

The fourth proportional to 39,079.60, 53,931.96 and 22,084.55 is: 30,477.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,079.60 : 53,931.96 = 22,084.55 : x
  2. Step 2: Convert to fraction form
    39,079.60/53,931.96 = 22,084.55/x
  3. Step 3: Cross multiply
    39,079.60x = 53,931.96 × 22,084.55
  4. Step 4: Simplify right side
    39,079.60x = 1,191,062,999.80
  5. Step 5: Solve for x
    x = 1,191,062,999.80/39,079.60
  6. Step 6: Final answer
    x = 30,477.87

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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.