Home / 32,941.32-49,422.48-20,420.28

Finding the Fourth Proportional to 32,941.32, 49,422.48 and 20,420.28

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Solution

The fourth proportional to 32,941.32, 49,422.48 and 20,420.28 is: 30,636.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,941.32 : 49,422.48 = 20,420.28 : x
  2. Step 2: Convert to fraction form
    32,941.32/49,422.48 = 20,420.28/x
  3. Step 3: Cross multiply
    32,941.32x = 49,422.48 × 20,420.28
  4. Step 4: Simplify right side
    32,941.32x = 1,009,220,879.89
  5. Step 5: Solve for x
    x = 1,009,220,879.89/32,941.32
  6. Step 6: Final answer
    x = 30,636.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.