Home / 42,867.51-59,177.67-28,551.15

Finding the Fourth Proportional to 42,867.51, 59,177.67 and 28,551.15

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Solution

The fourth proportional to 42,867.51, 59,177.67 and 28,551.15 is: 39,414.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,867.51 : 59,177.67 = 28,551.15 : x
  2. Step 2: Convert to fraction form
    42,867.51/59,177.67 = 28,551.15/x
  3. Step 3: Cross multiply
    42,867.51x = 59,177.67 × 28,551.15
  4. Step 4: Simplify right side
    42,867.51x = 1,689,590,532.82
  5. Step 5: Solve for x
    x = 1,689,590,532.82/42,867.51
  6. Step 6: Final answer
    x = 39,414.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.