Home / 53,212.10-73,432.64-29,339.15

Finding the Fourth Proportional to 53,212.10, 73,432.64 and 29,339.15

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Solution

The fourth proportional to 53,212.10, 73,432.64 and 29,339.15 is: 40,487.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,212.10 : 73,432.64 = 29,339.15 : x
  2. Step 2: Convert to fraction form
    53,212.10/73,432.64 = 29,339.15/x
  3. Step 3: Cross multiply
    53,212.10x = 73,432.64 × 29,339.15
  4. Step 4: Simplify right side
    53,212.10x = 2,154,451,093.16
  5. Step 5: Solve for x
    x = 2,154,451,093.16/53,212.10
  6. Step 6: Final answer
    x = 40,487.99

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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.