Home / 39,223.40-58,860.30-21,705.80

Finding the Fourth Proportional to 39,223.40, 58,860.30 and 21,705.80

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Solution

The fourth proportional to 39,223.40, 58,860.30 and 21,705.80 is: 32,572.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,223.40 : 58,860.30 = 21,705.80 : x
  2. Step 2: Convert to fraction form
    39,223.40/58,860.30 = 21,705.80/x
  3. Step 3: Cross multiply
    39,223.40x = 58,860.30 × 21,705.80
  4. Step 4: Simplify right side
    39,223.40x = 1,277,609,899.74
  5. Step 5: Solve for x
    x = 1,277,609,899.74/39,223.40
  6. Step 6: Final answer
    x = 32,572.65

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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.