Home / 61,053.89-84,255.21-39,820.97

Finding the Fourth Proportional to 61,053.89, 84,255.21 and 39,820.97

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Solution

The fourth proportional to 61,053.89, 84,255.21 and 39,820.97 is: 54,953.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,053.89 : 84,255.21 = 39,820.97 : x
  2. Step 2: Convert to fraction form
    61,053.89/84,255.21 = 39,820.97/x
  3. Step 3: Cross multiply
    61,053.89x = 84,255.21 × 39,820.97
  4. Step 4: Simplify right side
    61,053.89x = 3,355,124,189.75
  5. Step 5: Solve for x
    x = 3,355,124,189.75/61,053.89
  6. Step 6: Final answer
    x = 54,953.49

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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.