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Finding the Fourth Proportional to 58,466.35, 80,664.41 and 35,781.67

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Solution

The fourth proportional to 58,466.35, 80,664.41 and 35,781.67 is: 49,366.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,466.35 : 80,664.41 = 35,781.67 : x
  2. Step 2: Convert to fraction form
    58,466.35/80,664.41 = 35,781.67/x
  3. Step 3: Cross multiply
    58,466.35x = 80,664.41 × 35,781.67
  4. Step 4: Simplify right side
    58,466.35x = 2,886,306,717.13
  5. Step 5: Solve for x
    x = 2,886,306,717.13/58,466.35
  6. Step 6: Final answer
    x = 49,366.98

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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.