Home / 53,949.40-80,924.10-53,603.80

Finding the Fourth Proportional to 53,949.40, 80,924.10 and 53,603.80

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Solution

The fourth proportional to 53,949.40, 80,924.10 and 53,603.80 is: 80,405.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,949.40 : 80,924.10 = 53,603.80 : x
  2. Step 2: Convert to fraction form
    53,949.40/80,924.10 = 53,603.80/x
  3. Step 3: Cross multiply
    53,949.40x = 80,924.10 × 53,603.80
  4. Step 4: Simplify right side
    53,949.40x = 4,337,839,271.58
  5. Step 5: Solve for x
    x = 4,337,839,271.58/53,949.40
  6. Step 6: Final answer
    x = 80,405.70

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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.