Home / 49,719.02-68,615.30-28,501.47

Finding the Fourth Proportional to 49,719.02, 68,615.30 and 28,501.47

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Solution

The fourth proportional to 49,719.02, 68,615.30 and 28,501.47 is: 39,333.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,719.02 : 68,615.30 = 28,501.47 : x
  2. Step 2: Convert to fraction form
    49,719.02/68,615.30 = 28,501.47/x
  3. Step 3: Cross multiply
    49,719.02x = 68,615.30 × 28,501.47
  4. Step 4: Simplify right side
    49,719.02x = 1,955,636,985.74
  5. Step 5: Solve for x
    x = 1,955,636,985.74/49,719.02
  6. Step 6: Final answer
    x = 39,333.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.