Home / 51,945.60-77,912.64-15,009.60

Finding the Fourth Proportional to 51,945.60, 77,912.64 and 15,009.60

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Solution

The fourth proportional to 51,945.60, 77,912.64 and 15,009.60 is: 22,512.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,945.60 : 77,912.64 = 15,009.60 : x
  2. Step 2: Convert to fraction form
    51,945.60/77,912.64 = 15,009.60/x
  3. Step 3: Cross multiply
    51,945.60x = 77,912.64 × 15,009.60
  4. Step 4: Simplify right side
    51,945.60x = 1,169,437,561.34
  5. Step 5: Solve for x
    x = 1,169,437,561.34/51,945.60
  6. Step 6: Final answer
    x = 22,512.74

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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.