Home / 39,136.80-58,705.20-36,256.80

Finding the Fourth Proportional to 39,136.80, 58,705.20 and 36,256.80

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Solution

The fourth proportional to 39,136.80, 58,705.20 and 36,256.80 is: 54,385.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,136.80 : 58,705.20 = 36,256.80 : x
  2. Step 2: Convert to fraction form
    39,136.80/58,705.20 = 36,256.80/x
  3. Step 3: Cross multiply
    39,136.80x = 58,705.20 × 36,256.80
  4. Step 4: Simplify right side
    39,136.80x = 2,128,462,695.36
  5. Step 5: Solve for x
    x = 2,128,462,695.36/39,136.80
  6. Step 6: Final answer
    x = 54,385.20

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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.