Home / 58,323.09-87,498.52-18,880.20

Finding the Fourth Proportional to 58,323.09, 87,498.52 and 18,880.20

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Solution

The fourth proportional to 58,323.09, 87,498.52 and 18,880.20 is: 28,324.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,323.09 : 87,498.52 = 18,880.20 : x
  2. Step 2: Convert to fraction form
    58,323.09/87,498.52 = 18,880.20/x
  3. Step 3: Cross multiply
    58,323.09x = 87,498.52 × 18,880.20
  4. Step 4: Simplify right side
    58,323.09x = 1,651,989,557.30
  5. Step 5: Solve for x
    x = 1,651,989,557.30/58,323.09
  6. Step 6: Final answer
    x = 28,324.79

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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.