Home / 58,225.88-87,357.29-20,785.13

Finding the Fourth Proportional to 58,225.88, 87,357.29 and 20,785.13

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Solution

The fourth proportional to 58,225.88, 87,357.29 and 20,785.13 is: 31,184.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,225.88 : 87,357.29 = 20,785.13 : x
  2. Step 2: Convert to fraction form
    58,225.88/87,357.29 = 20,785.13/x
  3. Step 3: Cross multiply
    58,225.88x = 87,357.29 × 20,785.13
  4. Step 4: Simplify right side
    58,225.88x = 1,815,732,629.10
  5. Step 5: Solve for x
    x = 1,815,732,629.10/58,225.88
  6. Step 6: Final answer
    x = 31,184.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.