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Finding the Fourth Proportional to 51,359.46, 70,874.02 and 29,848.19

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Solution

The fourth proportional to 51,359.46, 70,874.02 and 29,848.19 is: 41,189.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,359.46 : 70,874.02 = 29,848.19 : x
  2. Step 2: Convert to fraction form
    51,359.46/70,874.02 = 29,848.19/x
  3. Step 3: Cross multiply
    51,359.46x = 70,874.02 × 29,848.19
  4. Step 4: Simplify right side
    51,359.46x = 2,115,461,349.06
  5. Step 5: Solve for x
    x = 2,115,461,349.06/51,359.46
  6. Step 6: Final answer
    x = 41,189.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.