Home / 31,964.99-44,130.60-28,418.40

Finding the Fourth Proportional to 31,964.99, 44,130.60 and 28,418.40

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Solution

The fourth proportional to 31,964.99, 44,130.60 and 28,418.40 is: 39,234.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,964.99 : 44,130.60 = 28,418.40 : x
  2. Step 2: Convert to fraction form
    31,964.99/44,130.60 = 28,418.40/x
  3. Step 3: Cross multiply
    31,964.99x = 44,130.60 × 28,418.40
  4. Step 4: Simplify right side
    31,964.99x = 1,254,121,043.04
  5. Step 5: Solve for x
    x = 1,254,121,043.04/31,964.99
  6. Step 6: Final answer
    x = 39,234.21

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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.