Home / 34,506.60-47,618-19,399.90

Finding the Fourth Proportional to 34,506.60, 47,618 and 19,399.90

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Solution

The fourth proportional to 34,506.60, 47,618 and 19,399.90 is: 26,771.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,506.60 : 47,618 = 19,399.90 : x
  2. Step 2: Convert to fraction form
    34,506.60/47,618 = 19,399.90/x
  3. Step 3: Cross multiply
    34,506.60x = 47,618 × 19,399.90
  4. Step 4: Simplify right side
    34,506.60x = 923,784,438.20
  5. Step 5: Solve for x
    x = 923,784,438.20/34,506.60
  6. Step 6: Final answer
    x = 26,771.24

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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.