Home / 39,165.86-54,050.09-23,030.25

Finding the Fourth Proportional to 39,165.86, 54,050.09 and 23,030.25

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Solution

The fourth proportional to 39,165.86, 54,050.09 and 23,030.25 is: 31,782.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,165.86 : 54,050.09 = 23,030.25 : x
  2. Step 2: Convert to fraction form
    39,165.86/54,050.09 = 23,030.25/x
  3. Step 3: Cross multiply
    39,165.86x = 54,050.09 × 23,030.25
  4. Step 4: Simplify right side
    39,165.86x = 1,244,786,970.07
  5. Step 5: Solve for x
    x = 1,244,786,970.07/39,165.86
  6. Step 6: Final answer
    x = 31,782.45

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Double scale
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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.