Home / 48,320.12-66,656.58-30,381.32

Finding the Fourth Proportional to 48,320.12, 66,656.58 and 30,381.32

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Solution

The fourth proportional to 48,320.12, 66,656.58 and 30,381.32 is: 41,910.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,320.12 : 66,656.58 = 30,381.32 : x
  2. Step 2: Convert to fraction form
    48,320.12/66,656.58 = 30,381.32/x
  3. Step 3: Cross multiply
    48,320.12x = 66,656.58 × 30,381.32
  4. Step 4: Simplify right side
    48,320.12x = 2,025,114,887.09
  5. Step 5: Solve for x
    x = 2,025,114,887.09/48,320.12
  6. Step 6: Final answer
    x = 41,910.39

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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.