Home / 47,907.90-66,111.12-26,686.71

Finding the Fourth Proportional to 47,907.90, 66,111.12 and 26,686.71

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Solution

The fourth proportional to 47,907.90, 66,111.12 and 26,686.71 is: 36,826.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,907.90 : 66,111.12 = 26,686.71 : x
  2. Step 2: Convert to fraction form
    47,907.90/66,111.12 = 26,686.71/x
  3. Step 3: Cross multiply
    47,907.90x = 66,111.12 × 26,686.71
  4. Step 4: Simplify right side
    47,907.90x = 1,764,288,287.22
  5. Step 5: Solve for x
    x = 1,764,288,287.22/47,907.90
  6. Step 6: Final answer
    x = 36,826.67

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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.