Home / 39,132.25-58,698.36-19,424.63

Finding the Fourth Proportional to 39,132.25, 58,698.36 and 19,424.63

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Solution

The fourth proportional to 39,132.25, 58,698.36 and 19,424.63 is: 29,136.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,132.25 : 58,698.36 = 19,424.63 : x
  2. Step 2: Convert to fraction form
    39,132.25/58,698.36 = 19,424.63/x
  3. Step 3: Cross multiply
    39,132.25x = 58,698.36 × 19,424.63
  4. Step 4: Simplify right side
    39,132.25x = 1,140,194,071.35
  5. Step 5: Solve for x
    x = 1,140,194,071.35/39,132.25
  6. Step 6: Final answer
    x = 29,136.94

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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.