Home / 52,416.91-78,590.71-19,130.77

Finding the Fourth Proportional to 52,416.91, 78,590.71 and 19,130.77

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Solution

The fourth proportional to 52,416.91, 78,590.71 and 19,130.77 is: 28,683.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,416.91 : 78,590.71 = 19,130.77 : x
  2. Step 2: Convert to fraction form
    52,416.91/78,590.71 = 19,130.77/x
  3. Step 3: Cross multiply
    52,416.91x = 78,590.71 × 19,130.77
  4. Step 4: Simplify right side
    52,416.91x = 1,503,500,797.15
  5. Step 5: Solve for x
    x = 1,503,500,797.15/52,416.91
  6. Step 6: Final answer
    x = 28,683.51

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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.