Home / 29,393.06-40,574.06-20,445.75

Finding the Fourth Proportional to 29,393.06, 40,574.06 and 20,445.75

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Solution

The fourth proportional to 29,393.06, 40,574.06 and 20,445.75 is: 28,223.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,393.06 : 40,574.06 = 20,445.75 : x
  2. Step 2: Convert to fraction form
    29,393.06/40,574.06 = 20,445.75/x
  3. Step 3: Cross multiply
    29,393.06x = 40,574.06 × 20,445.75
  4. Step 4: Simplify right side
    29,393.06x = 829,567,137.17
  5. Step 5: Solve for x
    x = 829,567,137.17/29,393.06
  6. Step 6: Final answer
    x = 28,223.23

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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.