Home / 48,386.66-72,580-15,109.58

Finding the Fourth Proportional to 48,386.66, 72,580 and 15,109.58

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Solution

The fourth proportional to 48,386.66, 72,580 and 15,109.58 is: 22,664.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,386.66 : 72,580 = 15,109.58 : x
  2. Step 2: Convert to fraction form
    48,386.66/72,580 = 15,109.58/x
  3. Step 3: Cross multiply
    48,386.66x = 72,580 × 15,109.58
  4. Step 4: Simplify right side
    48,386.66x = 1,096,653,316.40
  5. Step 5: Solve for x
    x = 1,096,653,316.40/48,386.66
  6. Step 6: Final answer
    x = 22,664.37

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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.