Home / 47,939.92-66,157.55-26,430.45

Finding the Fourth Proportional to 47,939.92, 66,157.55 and 26,430.45

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Solution

The fourth proportional to 47,939.92, 66,157.55 and 26,430.45 is: 36,474.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,939.92 : 66,157.55 = 26,430.45 : x
  2. Step 2: Convert to fraction form
    47,939.92/66,157.55 = 26,430.45/x
  3. Step 3: Cross multiply
    47,939.92x = 66,157.55 × 26,430.45
  4. Step 4: Simplify right side
    47,939.92x = 1,748,573,817.40
  5. Step 5: Solve for x
    x = 1,748,573,817.40/47,939.92
  6. Step 6: Final answer
    x = 36,474.27

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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.