Home / 44,128.16-66,193.36-12,964.40

Finding the Fourth Proportional to 44,128.16, 66,193.36 and 12,964.40

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Solution

The fourth proportional to 44,128.16, 66,193.36 and 12,964.40 is: 19,446.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,128.16 : 66,193.36 = 12,964.40 : x
  2. Step 2: Convert to fraction form
    44,128.16/66,193.36 = 12,964.40/x
  3. Step 3: Cross multiply
    44,128.16x = 66,193.36 × 12,964.40
  4. Step 4: Simplify right side
    44,128.16x = 858,157,196.38
  5. Step 5: Solve for x
    x = 858,157,196.38/44,128.16
  6. Step 6: Final answer
    x = 19,446.93

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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.