Home / 77,323.80-115,985.70-24,738.60

Finding the Fourth Proportional to 77,323.80, 115,985.70 and 24,738.60

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Solution

The fourth proportional to 77,323.80, 115,985.70 and 24,738.60 is: 37,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,323.80 : 115,985.70 = 24,738.60 : x
  2. Step 2: Convert to fraction form
    77,323.80/115,985.70 = 24,738.60/x
  3. Step 3: Cross multiply
    77,323.80x = 115,985.70 × 24,738.60
  4. Step 4: Simplify right side
    77,323.80x = 2,869,323,838.02
  5. Step 5: Solve for x
    x = 2,869,323,838.02/77,323.80
  6. Step 6: Final answer
    x = 37,107.90

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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.