Home / 38,931.18-53,727.75-22,164.18

Finding the Fourth Proportional to 38,931.18, 53,727.75 and 22,164.18

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Solution

The fourth proportional to 38,931.18, 53,727.75 and 22,164.18 is: 30,588.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,931.18 : 53,727.75 = 22,164.18 : x
  2. Step 2: Convert to fraction form
    38,931.18/53,727.75 = 22,164.18/x
  3. Step 3: Cross multiply
    38,931.18x = 53,727.75 × 22,164.18
  4. Step 4: Simplify right side
    38,931.18x = 1,190,831,522.00
  5. Step 5: Solve for x
    x = 1,190,831,522.00/38,931.18
  6. Step 6: Final answer
    x = 30,588.12

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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.