Home / 63,441.14-87,509.16-40,809.62

Finding the Fourth Proportional to 63,441.14, 87,509.16 and 40,809.62

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Solution

The fourth proportional to 63,441.14, 87,509.16 and 40,809.62 is: 56,291.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,441.14 : 87,509.16 = 40,809.62 : x
  2. Step 2: Convert to fraction form
    63,441.14/87,509.16 = 40,809.62/x
  3. Step 3: Cross multiply
    63,441.14x = 87,509.16 × 40,809.62
  4. Step 4: Simplify right side
    63,441.14x = 3,571,215,784.89
  5. Step 5: Solve for x
    x = 3,571,215,784.89/63,441.14
  6. Step 6: Final answer
    x = 56,291.80

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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.