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Finding the Fourth Proportional to 60,606.23, 90,809.11 and 30,983.32

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Solution

The fourth proportional to 60,606.23, 90,809.11 and 30,983.32 is: 46,423.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,606.23 : 90,809.11 = 30,983.32 : x
  2. Step 2: Convert to fraction form
    60,606.23/90,809.11 = 30,983.32/x
  3. Step 3: Cross multiply
    60,606.23x = 90,809.11 × 30,983.32
  4. Step 4: Simplify right side
    60,606.23x = 2,813,567,525.75
  5. Step 5: Solve for x
    x = 2,813,567,525.75/60,606.23
  6. Step 6: Final answer
    x = 46,423.73

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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.