Home / 52,777.02-72,838.13-30,121.59

Finding the Fourth Proportional to 52,777.02, 72,838.13 and 30,121.59

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Solution

The fourth proportional to 52,777.02, 72,838.13 and 30,121.59 is: 41,571.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,777.02 : 72,838.13 = 30,121.59 : x
  2. Step 2: Convert to fraction form
    52,777.02/72,838.13 = 30,121.59/x
  3. Step 3: Cross multiply
    52,777.02x = 72,838.13 × 30,121.59
  4. Step 4: Simplify right side
    52,777.02x = 2,194,000,137.62
  5. Step 5: Solve for x
    x = 2,194,000,137.62/52,777.02
  6. Step 6: Final answer
    x = 41,571.13

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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.