Home / 47,639.88-65,746.08-26,419.50

Finding the Fourth Proportional to 47,639.88, 65,746.08 and 26,419.50

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Solution

The fourth proportional to 47,639.88, 65,746.08 and 26,419.50 is: 36,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,639.88 : 65,746.08 = 26,419.50 : x
  2. Step 2: Convert to fraction form
    47,639.88/65,746.08 = 26,419.50/x
  3. Step 3: Cross multiply
    47,639.88x = 65,746.08 × 26,419.50
  4. Step 4: Simplify right side
    47,639.88x = 1,736,978,560.56
  5. Step 5: Solve for x
    x = 1,736,978,560.56/47,639.88
  6. Step 6: Final answer
    x = 36,460.60

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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.