Home / 52,592.08-78,919.34-21,017.05

Finding the Fourth Proportional to 52,592.08, 78,919.34 and 21,017.05

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Solution

The fourth proportional to 52,592.08, 78,919.34 and 21,017.05 is: 31,538.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,592.08 : 78,919.34 = 21,017.05 : x
  2. Step 2: Convert to fraction form
    52,592.08/78,919.34 = 21,017.05/x
  3. Step 3: Cross multiply
    52,592.08x = 78,919.34 × 21,017.05
  4. Step 4: Simplify right side
    52,592.08x = 1,658,651,714.75
  5. Step 5: Solve for x
    x = 1,658,651,714.75/52,592.08
  6. Step 6: Final answer
    x = 31,538.05

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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.