Home / 44,458.80-66,688.20-21,130.80

Finding the Fourth Proportional to 44,458.80, 66,688.20 and 21,130.80

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Solution

The fourth proportional to 44,458.80, 66,688.20 and 21,130.80 is: 31,696.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,458.80 : 66,688.20 = 21,130.80 : x
  2. Step 2: Convert to fraction form
    44,458.80/66,688.20 = 21,130.80/x
  3. Step 3: Cross multiply
    44,458.80x = 66,688.20 × 21,130.80
  4. Step 4: Simplify right side
    44,458.80x = 1,409,175,016.56
  5. Step 5: Solve for x
    x = 1,409,175,016.56/44,458.80
  6. Step 6: Final answer
    x = 31,696.20

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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.