Home / 32,858.76-49,288.15-21,180.18

Finding the Fourth Proportional to 32,858.76, 49,288.15 and 21,180.18

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Solution

The fourth proportional to 32,858.76, 49,288.15 and 21,180.18 is: 31,770.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,858.76 : 49,288.15 = 21,180.18 : x
  2. Step 2: Convert to fraction form
    32,858.76/49,288.15 = 21,180.18/x
  3. Step 3: Cross multiply
    32,858.76x = 49,288.15 × 21,180.18
  4. Step 4: Simplify right side
    32,858.76x = 1,043,931,981.03
  5. Step 5: Solve for x
    x = 1,043,931,981.03/32,858.76
  6. Step 6: Final answer
    x = 31,770.28

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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.