Home / 52,013.48-77,972.69-18,725.93

Finding the Fourth Proportional to 52,013.48, 77,972.69 and 18,725.93

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Solution

The fourth proportional to 52,013.48, 77,972.69 and 18,725.93 is: 28,071.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,013.48 : 77,972.69 = 18,725.93 : x
  2. Step 2: Convert to fraction form
    52,013.48/77,972.69 = 18,725.93/x
  3. Step 3: Cross multiply
    52,013.48x = 77,972.69 × 18,725.93
  4. Step 4: Simplify right side
    52,013.48x = 1,460,110,651.36
  5. Step 5: Solve for x
    x = 1,460,110,651.36/52,013.48
  6. Step 6: Final answer
    x = 28,071.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.