Home / 39,948.48-59,928.39-21,223.62

Finding the Fourth Proportional to 39,948.48, 59,928.39 and 21,223.62

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Solution

The fourth proportional to 39,948.48, 59,928.39 and 21,223.62 is: 31,838.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,948.48 : 59,928.39 = 21,223.62 : x
  2. Step 2: Convert to fraction form
    39,948.48/59,928.39 = 21,223.62/x
  3. Step 3: Cross multiply
    39,948.48x = 59,928.39 × 21,223.62
  4. Step 4: Simplify right side
    39,948.48x = 1,271,897,376.57
  5. Step 5: Solve for x
    x = 1,271,897,376.57/39,948.48
  6. Step 6: Final answer
    x = 31,838.44

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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.