Home / 31,073.08-42,590.48-29,950.87

Finding the Fourth Proportional to 31,073.08, 42,590.48 and 29,950.87

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Solution

The fourth proportional to 31,073.08, 42,590.48 and 29,950.87 is: 41,052.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,073.08 : 42,590.48 = 29,950.87 : x
  2. Step 2: Convert to fraction form
    31,073.08/42,590.48 = 29,950.87/x
  3. Step 3: Cross multiply
    31,073.08x = 42,590.48 × 29,950.87
  4. Step 4: Simplify right side
    31,073.08x = 1,275,621,929.72
  5. Step 5: Solve for x
    x = 1,275,621,929.72/31,073.08
  6. Step 6: Final answer
    x = 41,052.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.