Home / 48,249.80-72,374.70-45,715.40

Finding the Fourth Proportional to 48,249.80, 72,374.70 and 45,715.40

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Solution

The fourth proportional to 48,249.80, 72,374.70 and 45,715.40 is: 68,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,249.80 : 72,374.70 = 45,715.40 : x
  2. Step 2: Convert to fraction form
    48,249.80/72,374.70 = 45,715.40/x
  3. Step 3: Cross multiply
    48,249.80x = 72,374.70 × 45,715.40
  4. Step 4: Simplify right side
    48,249.80x = 3,308,638,360.38
  5. Step 5: Solve for x
    x = 3,308,638,360.38/48,249.80
  6. Step 6: Final answer
    x = 68,573.10

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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.