Home / 37,587.09-51,870.25-20,590.97

Finding the Fourth Proportional to 37,587.09, 51,870.25 and 20,590.97

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Solution

The fourth proportional to 37,587.09, 51,870.25 and 20,590.97 is: 28,415.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,587.09 : 51,870.25 = 20,590.97 : x
  2. Step 2: Convert to fraction form
    37,587.09/51,870.25 = 20,590.97/x
  3. Step 3: Cross multiply
    37,587.09x = 51,870.25 × 20,590.97
  4. Step 4: Simplify right side
    37,587.09x = 1,068,058,450.81
  5. Step 5: Solve for x
    x = 1,068,058,450.81/37,587.09
  6. Step 6: Final answer
    x = 28,415.57

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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.