Home / 46,387.20-69,964.80-43,315.20

Finding the Fourth Proportional to 46,387.20, 69,964.80 and 43,315.20

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Solution

The fourth proportional to 46,387.20, 69,964.80 and 43,315.20 is: 65,331.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,387.20 : 69,964.80 = 43,315.20 : x
  2. Step 2: Convert to fraction form
    46,387.20/69,964.80 = 43,315.20/x
  3. Step 3: Cross multiply
    46,387.20x = 69,964.80 × 43,315.20
  4. Step 4: Simplify right side
    46,387.20x = 3,030,539,304.96
  5. Step 5: Solve for x
    x = 3,030,539,304.96/46,387.20
  6. Step 6: Final answer
    x = 65,331.37

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.