Home / 58,309.04-87,454.38-20,863.28

Finding the Fourth Proportional to 58,309.04, 87,454.38 and 20,863.28

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Solution

The fourth proportional to 58,309.04, 87,454.38 and 20,863.28 is: 31,291.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,309.04 : 87,454.38 = 20,863.28 : x
  2. Step 2: Convert to fraction form
    58,309.04/87,454.38 = 20,863.28/x
  3. Step 3: Cross multiply
    58,309.04x = 87,454.38 × 20,863.28
  4. Step 4: Simplify right side
    58,309.04x = 1,824,585,217.17
  5. Step 5: Solve for x
    x = 1,824,585,217.17/58,309.04
  6. Step 6: Final answer
    x = 31,291.64

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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.