Home / 47,907.60-66,114.48-26,686.86

Finding the Fourth Proportional to 47,907.60, 66,114.48 and 26,686.86

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Solution

The fourth proportional to 47,907.60, 66,114.48 and 26,686.86 is: 36,828.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,907.60 : 66,114.48 = 26,686.86 : x
  2. Step 2: Convert to fraction form
    47,907.60/66,114.48 = 26,686.86/x
  3. Step 3: Cross multiply
    47,907.60x = 66,114.48 × 26,686.86
  4. Step 4: Simplify right side
    47,907.60x = 1,764,387,871.73
  5. Step 5: Solve for x
    x = 1,764,387,871.73/47,907.60
  6. Step 6: Final answer
    x = 36,828.98

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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.