Home / 45,528.80-68,293.20-29,782.40

Finding the Fourth Proportional to 45,528.80, 68,293.20 and 29,782.40

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Solution

The fourth proportional to 45,528.80, 68,293.20 and 29,782.40 is: 44,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,528.80 : 68,293.20 = 29,782.40 : x
  2. Step 2: Convert to fraction form
    45,528.80/68,293.20 = 29,782.40/x
  3. Step 3: Cross multiply
    45,528.80x = 68,293.20 × 29,782.40
  4. Step 4: Simplify right side
    45,528.80x = 2,033,935,399.68
  5. Step 5: Solve for x
    x = 2,033,935,399.68/45,528.80
  6. Step 6: Final answer
    x = 44,673.60

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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.