Home / 52,207.20-72,029.43-30,690.08

Finding the Fourth Proportional to 52,207.20, 72,029.43 and 30,690.08

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Solution

The fourth proportional to 52,207.20, 72,029.43 and 30,690.08 is: 42,342.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,207.20 : 72,029.43 = 30,690.08 : x
  2. Step 2: Convert to fraction form
    52,207.20/72,029.43 = 30,690.08/x
  3. Step 3: Cross multiply
    52,207.20x = 72,029.43 × 30,690.08
  4. Step 4: Simplify right side
    52,207.20x = 2,210,588,969.05
  5. Step 5: Solve for x
    x = 2,210,588,969.05/52,207.20
  6. Step 6: Final answer
    x = 42,342.61

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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.