Home / 38,504.36-57,774.91-20,973.80

Finding the Fourth Proportional to 38,504.36, 57,774.91 and 20,973.80

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Solution

The fourth proportional to 38,504.36, 57,774.91 and 20,973.80 is: 31,470.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,504.36 : 57,774.91 = 20,973.80 : x
  2. Step 2: Convert to fraction form
    38,504.36/57,774.91 = 20,973.80/x
  3. Step 3: Cross multiply
    38,504.36x = 57,774.91 × 20,973.80
  4. Step 4: Simplify right side
    38,504.36x = 1,211,759,302.49
  5. Step 5: Solve for x
    x = 1,211,759,302.49/38,504.36
  6. Step 6: Final answer
    x = 31,470.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.