Home / 34,681.40-47,860.24-18,765.84

Finding the Fourth Proportional to 34,681.40, 47,860.24 and 18,765.84

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Solution

The fourth proportional to 34,681.40, 47,860.24 and 18,765.84 is: 25,896.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,681.40 : 47,860.24 = 18,765.84 : x
  2. Step 2: Convert to fraction form
    34,681.40/47,860.24 = 18,765.84/x
  3. Step 3: Cross multiply
    34,681.40x = 47,860.24 × 18,765.84
  4. Step 4: Simplify right side
    34,681.40x = 898,137,606.20
  5. Step 5: Solve for x
    x = 898,137,606.20/34,681.40
  6. Step 6: Final answer
    x = 25,896.81

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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.