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Finding the Fourth Proportional to 39,703, 54,800.04 and 22,945.72

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Solution

The fourth proportional to 39,703, 54,800.04 and 22,945.72 is: 31,670.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,703 : 54,800.04 = 22,945.72 : x
  2. Step 2: Convert to fraction form
    39,703/54,800.04 = 22,945.72/x
  3. Step 3: Cross multiply
    39,703x = 54,800.04 × 22,945.72
  4. Step 4: Simplify right side
    39,703x = 1,257,426,373.83
  5. Step 5: Solve for x
    x = 1,257,426,373.83/39,703
  6. Step 6: Final answer
    x = 31,670.82

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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.