Home / 47,860.72-66,047.10-26,639.96

Finding the Fourth Proportional to 47,860.72, 66,047.10 and 26,639.96

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Solution

The fourth proportional to 47,860.72, 66,047.10 and 26,639.96 is: 36,762.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,860.72 : 66,047.10 = 26,639.96 : x
  2. Step 2: Convert to fraction form
    47,860.72/66,047.10 = 26,639.96/x
  3. Step 3: Cross multiply
    47,860.72x = 66,047.10 × 26,639.96
  4. Step 4: Simplify right side
    47,860.72x = 1,759,492,102.12
  5. Step 5: Solve for x
    x = 1,759,492,102.12/47,860.72
  6. Step 6: Final answer
    x = 36,762.76

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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.