Home / 58,928.08-81,350.88-45,469.12

Finding the Fourth Proportional to 58,928.08, 81,350.88 and 45,469.12

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Solution

The fourth proportional to 58,928.08, 81,350.88 and 45,469.12 is: 62,770.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,928.08 : 81,350.88 = 45,469.12 : x
  2. Step 2: Convert to fraction form
    58,928.08/81,350.88 = 45,469.12/x
  3. Step 3: Cross multiply
    58,928.08x = 81,350.88 × 45,469.12
  4. Step 4: Simplify right side
    58,928.08x = 3,698,952,924.83
  5. Step 5: Solve for x
    x = 3,698,952,924.83/58,928.08
  6. Step 6: Final answer
    x = 62,770.63

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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.