Home / 65,446.39-90,290.05-37,845.95

Finding the Fourth Proportional to 65,446.39, 90,290.05 and 37,845.95

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Solution

The fourth proportional to 65,446.39, 90,290.05 and 37,845.95 is: 52,212.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,446.39 : 90,290.05 = 37,845.95 : x
  2. Step 2: Convert to fraction form
    65,446.39/90,290.05 = 37,845.95/x
  3. Step 3: Cross multiply
    65,446.39x = 90,290.05 × 37,845.95
  4. Step 4: Simplify right side
    65,446.39x = 3,417,112,848.91
  5. Step 5: Solve for x
    x = 3,417,112,848.91/65,446.39
  6. Step 6: Final answer
    x = 52,212.40

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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.