Home / 44,056.80-66,128.40-21,895.20

Finding the Fourth Proportional to 44,056.80, 66,128.40 and 21,895.20

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Solution

The fourth proportional to 44,056.80, 66,128.40 and 21,895.20 is: 32,864.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,056.80 : 66,128.40 = 21,895.20 : x
  2. Step 2: Convert to fraction form
    44,056.80/66,128.40 = 21,895.20/x
  3. Step 3: Cross multiply
    44,056.80x = 66,128.40 × 21,895.20
  4. Step 4: Simplify right side
    44,056.80x = 1,447,894,543.68
  5. Step 5: Solve for x
    x = 1,447,894,543.68/44,056.80
  6. Step 6: Final answer
    x = 32,864.27

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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.