Home / 48,346.24-66,720.20-30,207.84

Finding the Fourth Proportional to 48,346.24, 66,720.20 and 30,207.84

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Solution

The fourth proportional to 48,346.24, 66,720.20 and 30,207.84 is: 41,688.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,346.24 : 66,720.20 = 30,207.84 : x
  2. Step 2: Convert to fraction form
    48,346.24/66,720.20 = 30,207.84/x
  3. Step 3: Cross multiply
    48,346.24x = 66,720.20 × 30,207.84
  4. Step 4: Simplify right side
    48,346.24x = 2,015,473,126.37
  5. Step 5: Solve for x
    x = 2,015,473,126.37/48,346.24
  6. Step 6: Final answer
    x = 41,688.31

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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.