Home / 31,990.02-44,145.57-18,562.58

Finding the Fourth Proportional to 31,990.02, 44,145.57 and 18,562.58

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Solution

The fourth proportional to 31,990.02, 44,145.57 and 18,562.58 is: 25,615.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,990.02 : 44,145.57 = 18,562.58 : x
  2. Step 2: Convert to fraction form
    31,990.02/44,145.57 = 18,562.58/x
  3. Step 3: Cross multiply
    31,990.02x = 44,145.57 × 18,562.58
  4. Step 4: Simplify right side
    31,990.02x = 819,455,674.77
  5. Step 5: Solve for x
    x = 819,455,674.77/31,990.02
  6. Step 6: Final answer
    x = 25,615.98

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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.