Home / 53,287.47-79,854.93-39,136.50

Finding the Fourth Proportional to 53,287.47, 79,854.93 and 39,136.50

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Solution

The fourth proportional to 53,287.47, 79,854.93 and 39,136.50 is: 58,648.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,287.47 : 79,854.93 = 39,136.50 : x
  2. Step 2: Convert to fraction form
    53,287.47/79,854.93 = 39,136.50/x
  3. Step 3: Cross multiply
    53,287.47x = 79,854.93 × 39,136.50
  4. Step 4: Simplify right side
    53,287.47x = 3,125,242,467.95
  5. Step 5: Solve for x
    x = 3,125,242,467.95/53,287.47
  6. Step 6: Final answer
    x = 58,648.73

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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.