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Finding the Fourth Proportional to 51,009.48, 76,525.02 and 15,951.78

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Solution

The fourth proportional to 51,009.48, 76,525.02 and 15,951.78 is: 23,931.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,009.48 : 76,525.02 = 15,951.78 : x
  2. Step 2: Convert to fraction form
    51,009.48/76,525.02 = 15,951.78/x
  3. Step 3: Cross multiply
    51,009.48x = 76,525.02 × 15,951.78
  4. Step 4: Simplify right side
    51,009.48x = 1,220,710,283.54
  5. Step 5: Solve for x
    x = 1,220,710,283.54/51,009.48
  6. Step 6: Final answer
    x = 23,931.05

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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.