Home / 40,763.80-61,145.34-13,061.80

Finding the Fourth Proportional to 40,763.80, 61,145.34 and 13,061.80

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Solution

The fourth proportional to 40,763.80, 61,145.34 and 13,061.80 is: 19,592.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,763.80 : 61,145.34 = 13,061.80 : x
  2. Step 2: Convert to fraction form
    40,763.80/61,145.34 = 13,061.80/x
  3. Step 3: Cross multiply
    40,763.80x = 61,145.34 × 13,061.80
  4. Step 4: Simplify right side
    40,763.80x = 798,668,202.01
  5. Step 5: Solve for x
    x = 798,668,202.01/40,763.80
  6. Step 6: Final answer
    x = 19,592.58

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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.