Home / 46,399.12-69,592.44-13,121.84

Finding the Fourth Proportional to 46,399.12, 69,592.44 and 13,121.84

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Solution

The fourth proportional to 46,399.12, 69,592.44 and 13,121.84 is: 19,681.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,399.12 : 69,592.44 = 13,121.84 : x
  2. Step 2: Convert to fraction form
    46,399.12/69,592.44 = 13,121.84/x
  3. Step 3: Cross multiply
    46,399.12x = 69,592.44 × 13,121.84
  4. Step 4: Simplify right side
    46,399.12x = 913,180,862.89
  5. Step 5: Solve for x
    x = 913,180,862.89/46,399.12
  6. Step 6: Final answer
    x = 19,681.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.