Home / 52,190.90-72,023.12-28,317.06

Finding the Fourth Proportional to 52,190.90, 72,023.12 and 28,317.06

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Solution

The fourth proportional to 52,190.90, 72,023.12 and 28,317.06 is: 39,077.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,190.90 : 72,023.12 = 28,317.06 : x
  2. Step 2: Convert to fraction form
    52,190.90/72,023.12 = 28,317.06/x
  3. Step 3: Cross multiply
    52,190.90x = 72,023.12 × 28,317.06
  4. Step 4: Simplify right side
    52,190.90x = 2,039,482,650.31
  5. Step 5: Solve for x
    x = 2,039,482,650.31/52,190.90
  6. Step 6: Final answer
    x = 39,077.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.