Home / 52,408.20-72,312.08-31,183.32

Finding the Fourth Proportional to 52,408.20, 72,312.08 and 31,183.32

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Solution

The fourth proportional to 52,408.20, 72,312.08 and 31,183.32 is: 43,026.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,408.20 : 72,312.08 = 31,183.32 : x
  2. Step 2: Convert to fraction form
    52,408.20/72,312.08 = 31,183.32/x
  3. Step 3: Cross multiply
    52,408.20x = 72,312.08 × 31,183.32
  4. Step 4: Simplify right side
    52,408.20x = 2,254,930,730.51
  5. Step 5: Solve for x
    x = 2,254,930,730.51/52,408.20
  6. Step 6: Final answer
    x = 43,026.30

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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.