Home / 29,394.47-40,542.14-20,437.49

Finding the Fourth Proportional to 29,394.47, 40,542.14 and 20,437.49

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Solution

The fourth proportional to 29,394.47, 40,542.14 and 20,437.49 is: 28,188.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,394.47 : 40,542.14 = 20,437.49 : x
  2. Step 2: Convert to fraction form
    29,394.47/40,542.14 = 20,437.49/x
  3. Step 3: Cross multiply
    29,394.47x = 40,542.14 × 20,437.49
  4. Step 4: Simplify right side
    29,394.47x = 828,579,580.83
  5. Step 5: Solve for x
    x = 828,579,580.83/29,394.47
  6. Step 6: Final answer
    x = 28,188.28

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1.5x scale

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.