Home / 51,743.74-77,569.47-18,458.96

Finding the Fourth Proportional to 51,743.74, 77,569.47 and 18,458.96

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Solution

The fourth proportional to 51,743.74, 77,569.47 and 18,458.96 is: 27,671.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,743.74 : 77,569.47 = 18,458.96 : x
  2. Step 2: Convert to fraction form
    51,743.74/77,569.47 = 18,458.96/x
  3. Step 3: Cross multiply
    51,743.74x = 77,569.47 × 18,458.96
  4. Step 4: Simplify right side
    51,743.74x = 1,431,852,062.51
  5. Step 5: Solve for x
    x = 1,431,852,062.51/51,743.74
  6. Step 6: Final answer
    x = 27,671.99

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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.