Home / 60,653.45-83,657.21-40,198.50

Finding the Fourth Proportional to 60,653.45, 83,657.21 and 40,198.50

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Solution

The fourth proportional to 60,653.45, 83,657.21 and 40,198.50 is: 55,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,653.45 : 83,657.21 = 40,198.50 : x
  2. Step 2: Convert to fraction form
    60,653.45/83,657.21 = 40,198.50/x
  3. Step 3: Cross multiply
    60,653.45x = 83,657.21 × 40,198.50
  4. Step 4: Simplify right side
    60,653.45x = 3,362,894,155.19
  5. Step 5: Solve for x
    x = 3,362,894,155.19/60,653.45
  6. Step 6: Final answer
    x = 55,444.40

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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.