Home / 40,813.04-61,213.80-13,107.44

Finding the Fourth Proportional to 40,813.04, 61,213.80 and 13,107.44

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Solution

The fourth proportional to 40,813.04, 61,213.80 and 13,107.44 is: 19,659.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,813.04 : 61,213.80 = 13,107.44 : x
  2. Step 2: Convert to fraction form
    40,813.04/61,213.80 = 13,107.44/x
  3. Step 3: Cross multiply
    40,813.04x = 61,213.80 × 13,107.44
  4. Step 4: Simplify right side
    40,813.04x = 802,356,210.67
  5. Step 5: Solve for x
    x = 802,356,210.67/40,813.04
  6. Step 6: Final answer
    x = 19,659.31

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1.5x scale

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.