Home / 61,220.87-84,478.97-34,357.22

Finding the Fourth Proportional to 61,220.87, 84,478.97 and 34,357.22

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Solution

The fourth proportional to 61,220.87, 84,478.97 and 34,357.22 is: 47,409.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,220.87 : 84,478.97 = 34,357.22 : x
  2. Step 2: Convert to fraction form
    61,220.87/84,478.97 = 34,357.22/x
  3. Step 3: Cross multiply
    61,220.87x = 84,478.97 × 34,357.22
  4. Step 4: Simplify right side
    61,220.87x = 2,902,462,385.88
  5. Step 5: Solve for x
    x = 2,902,462,385.88/61,220.87
  6. Step 6: Final answer
    x = 47,409.69

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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.