Home / 39,386.01-59,090.46-12,731.43

Finding the Fourth Proportional to 39,386.01, 59,090.46 and 12,731.43

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Solution

The fourth proportional to 39,386.01, 59,090.46 and 12,731.43 is: 19,100.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,386.01 : 59,090.46 = 12,731.43 : x
  2. Step 2: Convert to fraction form
    39,386.01/59,090.46 = 12,731.43/x
  3. Step 3: Cross multiply
    39,386.01x = 59,090.46 × 12,731.43
  4. Step 4: Simplify right side
    39,386.01x = 752,306,055.16
  5. Step 5: Solve for x
    x = 752,306,055.16/39,386.01
  6. Step 6: Final answer
    x = 19,100.84

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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.