Home / 47,801.81-65,966.55-26,580.62

Finding the Fourth Proportional to 47,801.81, 65,966.55 and 26,580.62

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Solution

The fourth proportional to 47,801.81, 65,966.55 and 26,580.62 is: 36,681.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,801.81 : 65,966.55 = 26,580.62 : x
  2. Step 2: Convert to fraction form
    47,801.81/65,966.55 = 26,580.62/x
  3. Step 3: Cross multiply
    47,801.81x = 65,966.55 × 26,580.62
  4. Step 4: Simplify right side
    47,801.81x = 1,753,431,468.43
  5. Step 5: Solve for x
    x = 1,753,431,468.43/47,801.81
  6. Step 6: Final answer
    x = 36,681.28

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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.