Home / 40,259.39-60,420.96-21,297.47

Finding the Fourth Proportional to 40,259.39, 60,420.96 and 21,297.47

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Solution

The fourth proportional to 40,259.39, 60,420.96 and 21,297.47 is: 31,963.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,259.39 : 60,420.96 = 21,297.47 : x
  2. Step 2: Convert to fraction form
    40,259.39/60,420.96 = 21,297.47/x
  3. Step 3: Cross multiply
    40,259.39x = 60,420.96 × 21,297.47
  4. Step 4: Simplify right side
    40,259.39x = 1,286,813,280.87
  5. Step 5: Solve for x
    x = 1,286,813,280.87/40,259.39
  6. Step 6: Final answer
    x = 31,963.06

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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.