Home / 40,923.18-61,387.36-12,844.34

Finding the Fourth Proportional to 40,923.18, 61,387.36 and 12,844.34

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Solution

The fourth proportional to 40,923.18, 61,387.36 and 12,844.34 is: 19,267.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,923.18 : 61,387.36 = 12,844.34 : x
  2. Step 2: Convert to fraction form
    40,923.18/61,387.36 = 12,844.34/x
  3. Step 3: Cross multiply
    40,923.18x = 61,387.36 × 12,844.34
  4. Step 4: Simplify right side
    40,923.18x = 788,480,123.54
  5. Step 5: Solve for x
    x = 788,480,123.54/40,923.18
  6. Step 6: Final answer
    x = 19,267.32

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1.5x scale

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.