Home / 43,315.76-59,785.62-28,181.72

Finding the Fourth Proportional to 43,315.76, 59,785.62 and 28,181.72

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Solution

The fourth proportional to 43,315.76, 59,785.62 and 28,181.72 is: 38,897.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,315.76 : 59,785.62 = 28,181.72 : x
  2. Step 2: Convert to fraction form
    43,315.76/59,785.62 = 28,181.72/x
  3. Step 3: Cross multiply
    43,315.76x = 59,785.62 × 28,181.72
  4. Step 4: Simplify right side
    43,315.76x = 1,684,861,602.87
  5. Step 5: Solve for x
    x = 1,684,861,602.87/43,315.76
  6. Step 6: Final answer
    x = 38,897.20

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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.