Home / 51,518.25-77,248.95-15,969.72

Finding the Fourth Proportional to 51,518.25, 77,248.95 and 15,969.72

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Solution

The fourth proportional to 51,518.25, 77,248.95 and 15,969.72 is: 23,945.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,518.25 : 77,248.95 = 15,969.72 : x
  2. Step 2: Convert to fraction form
    51,518.25/77,248.95 = 15,969.72/x
  3. Step 3: Cross multiply
    51,518.25x = 77,248.95 × 15,969.72
  4. Step 4: Simplify right side
    51,518.25x = 1,233,644,101.79
  5. Step 5: Solve for x
    x = 1,233,644,101.79/51,518.25
  6. Step 6: Final answer
    x = 23,945.77

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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.