Home / 61,555.77-84,947.33-38,904.80

Finding the Fourth Proportional to 61,555.77, 84,947.33 and 38,904.80

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Solution

The fourth proportional to 61,555.77, 84,947.33 and 38,904.80 is: 53,688.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,555.77 : 84,947.33 = 38,904.80 : x
  2. Step 2: Convert to fraction form
    61,555.77/84,947.33 = 38,904.80/x
  3. Step 3: Cross multiply
    61,555.77x = 84,947.33 × 38,904.80
  4. Step 4: Simplify right side
    61,555.77x = 3,304,858,556.71
  5. Step 5: Solve for x
    x = 3,304,858,556.71/61,555.77
  6. Step 6: Final answer
    x = 53,688.85

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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.