Home / 52,891.24-72,985.30-30,225.76

Finding the Fourth Proportional to 52,891.24, 72,985.30 and 30,225.76

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Solution

The fourth proportional to 52,891.24, 72,985.30 and 30,225.76 is: 41,708.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,891.24 : 72,985.30 = 30,225.76 : x
  2. Step 2: Convert to fraction form
    52,891.24/72,985.30 = 30,225.76/x
  3. Step 3: Cross multiply
    52,891.24x = 72,985.30 × 30,225.76
  4. Step 4: Simplify right side
    52,891.24x = 2,206,036,161.33
  5. Step 5: Solve for x
    x = 2,206,036,161.33/52,891.24
  6. Step 6: Final answer
    x = 41,708.91

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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.