Home / 39,946.48-59,925.39-21,221.62

Finding the Fourth Proportional to 39,946.48, 59,925.39 and 21,221.62

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Solution

The fourth proportional to 39,946.48, 59,925.39 and 21,221.62 is: 31,835.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,946.48 : 59,925.39 = 21,221.62 : x
  2. Step 2: Convert to fraction form
    39,946.48/59,925.39 = 21,221.62/x
  3. Step 3: Cross multiply
    39,946.48x = 59,925.39 × 21,221.62
  4. Step 4: Simplify right side
    39,946.48x = 1,271,713,854.93
  5. Step 5: Solve for x
    x = 1,271,713,854.93/39,946.48
  6. Step 6: Final answer
    x = 31,835.44

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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.