Home / 55,962.02-77,227.50-30,811.52

Finding the Fourth Proportional to 55,962.02, 77,227.50 and 30,811.52

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Solution

The fourth proportional to 55,962.02, 77,227.50 and 30,811.52 is: 42,519.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,962.02 : 77,227.50 = 30,811.52 : x
  2. Step 2: Convert to fraction form
    55,962.02/77,227.50 = 30,811.52/x
  3. Step 3: Cross multiply
    55,962.02x = 77,227.50 × 30,811.52
  4. Step 4: Simplify right side
    55,962.02x = 2,379,496,660.80
  5. Step 5: Solve for x
    x = 2,379,496,660.80/55,962.02
  6. Step 6: Final answer
    x = 42,519.85

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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.