Home / 49,114.40-73,477.20-42,612.80

Finding the Fourth Proportional to 49,114.40, 73,477.20 and 42,612.80

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Solution

The fourth proportional to 49,114.40, 73,477.20 and 42,612.80 is: 63,750.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,114.40 : 73,477.20 = 42,612.80 : x
  2. Step 2: Convert to fraction form
    49,114.40/73,477.20 = 42,612.80/x
  3. Step 3: Cross multiply
    49,114.40x = 73,477.20 × 42,612.80
  4. Step 4: Simplify right side
    49,114.40x = 3,131,069,228.16
  5. Step 5: Solve for x
    x = 3,131,069,228.16/49,114.40
  6. Step 6: Final answer
    x = 63,750.53

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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.