Home / 39,219.40-58,854.30-21,701.80

Finding the Fourth Proportional to 39,219.40, 58,854.30 and 21,701.80

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Solution

The fourth proportional to 39,219.40, 58,854.30 and 21,701.80 is: 32,566.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,219.40 : 58,854.30 = 21,701.80 : x
  2. Step 2: Convert to fraction form
    39,219.40/58,854.30 = 21,701.80/x
  3. Step 3: Cross multiply
    39,219.40x = 58,854.30 × 21,701.80
  4. Step 4: Simplify right side
    39,219.40x = 1,277,244,247.74
  5. Step 5: Solve for x
    x = 1,277,244,247.74/39,219.40
  6. Step 6: Final answer
    x = 32,566.64

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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.