Home / 40,809.04-61,223.90-19,759.16

Finding the Fourth Proportional to 40,809.04, 61,223.90 and 19,759.16

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Solution

The fourth proportional to 40,809.04, 61,223.90 and 19,759.16 is: 29,643.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,809.04 : 61,223.90 = 19,759.16 : x
  2. Step 2: Convert to fraction form
    40,809.04/61,223.90 = 19,759.16/x
  3. Step 3: Cross multiply
    40,809.04x = 61,223.90 × 19,759.16
  4. Step 4: Simplify right side
    40,809.04x = 1,209,732,890.19
  5. Step 5: Solve for x
    x = 1,209,732,890.19/40,809.04
  6. Step 6: Final answer
    x = 29,643.75

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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.