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Finding the Fourth Proportional to 29,376.46, 44,064.48 and 7,190.16

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Solution

The fourth proportional to 29,376.46, 44,064.48 and 7,190.16 is: 10,785.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,376.46 : 44,064.48 = 7,190.16 : x
  2. Step 2: Convert to fraction form
    29,376.46/44,064.48 = 7,190.16/x
  3. Step 3: Cross multiply
    29,376.46x = 44,064.48 × 7,190.16
  4. Step 4: Simplify right side
    29,376.46x = 316,830,661.52
  5. Step 5: Solve for x
    x = 316,830,661.52/29,376.46
  6. Step 6: Final answer
    x = 10,785.19

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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.