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Finding the Fourth Proportional to 58,608.36, 80,877.86 and 34,408.92

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Solution

The fourth proportional to 58,608.36, 80,877.86 and 34,408.92 is: 47,483.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,608.36 : 80,877.86 = 34,408.92 : x
  2. Step 2: Convert to fraction form
    58,608.36/80,877.86 = 34,408.92/x
  3. Step 3: Cross multiply
    58,608.36x = 80,877.86 × 34,408.92
  4. Step 4: Simplify right side
    58,608.36x = 2,782,919,642.47
  5. Step 5: Solve for x
    x = 2,782,919,642.47/58,608.36
  6. Step 6: Final answer
    x = 47,483.32

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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.