Home / 51,058.51-70,460.89-28,398.96

Finding the Fourth Proportional to 51,058.51, 70,460.89 and 28,398.96

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Solution

The fourth proportional to 51,058.51, 70,460.89 and 28,398.96 is: 39,190.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,058.51 : 70,460.89 = 28,398.96 : x
  2. Step 2: Convert to fraction form
    51,058.51/70,460.89 = 28,398.96/x
  3. Step 3: Cross multiply
    51,058.51x = 70,460.89 × 28,398.96
  4. Step 4: Simplify right side
    51,058.51x = 2,001,015,925.68
  5. Step 5: Solve for x
    x = 2,001,015,925.68/51,058.51
  6. Step 6: Final answer
    x = 39,190.65

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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.