Home / 46,465.69-69,690.31-21,159.40

Finding the Fourth Proportional to 46,465.69, 69,690.31 and 21,159.40

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Solution

The fourth proportional to 46,465.69, 69,690.31 and 21,159.40 is: 31,735.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,465.69 : 69,690.31 = 21,159.40 : x
  2. Step 2: Convert to fraction form
    46,465.69/69,690.31 = 21,159.40/x
  3. Step 3: Cross multiply
    46,465.69x = 69,690.31 × 21,159.40
  4. Step 4: Simplify right side
    46,465.69x = 1,474,605,145.41
  5. Step 5: Solve for x
    x = 1,474,605,145.41/46,465.69
  6. Step 6: Final answer
    x = 31,735.35

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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.