Home / 39,085.15-58,582.43-17,980.90

Finding the Fourth Proportional to 39,085.15, 58,582.43 and 17,980.90

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Solution

The fourth proportional to 39,085.15, 58,582.43 and 17,980.90 is: 26,950.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,085.15 : 58,582.43 = 17,980.90 : x
  2. Step 2: Convert to fraction form
    39,085.15/58,582.43 = 17,980.90/x
  3. Step 3: Cross multiply
    39,085.15x = 58,582.43 × 17,980.90
  4. Step 4: Simplify right side
    39,085.15x = 1,053,364,675.30
  5. Step 5: Solve for x
    x = 1,053,364,675.30/39,085.15
  6. Step 6: Final answer
    x = 26,950.51

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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.