Home / 60,253.42-90,319.98-20,785.36

Finding the Fourth Proportional to 60,253.42, 90,319.98 and 20,785.36

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Solution

The fourth proportional to 60,253.42, 90,319.98 and 20,785.36 is: 31,157.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,253.42 : 90,319.98 = 20,785.36 : x
  2. Step 2: Convert to fraction form
    60,253.42/90,319.98 = 20,785.36/x
  3. Step 3: Cross multiply
    60,253.42x = 90,319.98 × 20,785.36
  4. Step 4: Simplify right side
    60,253.42x = 1,877,333,299.49
  5. Step 5: Solve for x
    x = 1,877,333,299.49/60,253.42
  6. Step 6: Final answer
    x = 31,157.29

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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.