Home / 39,964.20-59,946.30-13,669.80

Finding the Fourth Proportional to 39,964.20, 59,946.30 and 13,669.80

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Solution

The fourth proportional to 39,964.20, 59,946.30 and 13,669.80 is: 20,504.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,964.20 : 59,946.30 = 13,669.80 : x
  2. Step 2: Convert to fraction form
    39,964.20/59,946.30 = 13,669.80/x
  3. Step 3: Cross multiply
    39,964.20x = 59,946.30 × 13,669.80
  4. Step 4: Simplify right side
    39,964.20x = 819,453,931.74
  5. Step 5: Solve for x
    x = 819,453,931.74/39,964.20
  6. Step 6: Final answer
    x = 20,504.70

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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.