Home / 39,061.60-53,900.16-23,142.40

Finding the Fourth Proportional to 39,061.60, 53,900.16 and 23,142.40

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Solution

The fourth proportional to 39,061.60, 53,900.16 and 23,142.40 is: 31,933.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,061.60 : 53,900.16 = 23,142.40 : x
  2. Step 2: Convert to fraction form
    39,061.60/53,900.16 = 23,142.40/x
  3. Step 3: Cross multiply
    39,061.60x = 53,900.16 × 23,142.40
  4. Step 4: Simplify right side
    39,061.60x = 1,247,379,062.78
  5. Step 5: Solve for x
    x = 1,247,379,062.78/39,061.60
  6. Step 6: Final answer
    x = 31,933.64

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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.