Home / 40,810.56-61,210.04-13,104.96

Finding the Fourth Proportional to 40,810.56, 61,210.04 and 13,104.96

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Solution

The fourth proportional to 40,810.56, 61,210.04 and 13,104.96 is: 19,655.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,810.56 : 61,210.04 = 13,104.96 : x
  2. Step 2: Convert to fraction form
    40,810.56/61,210.04 = 13,104.96/x
  3. Step 3: Cross multiply
    40,810.56x = 61,210.04 × 13,104.96
  4. Step 4: Simplify right side
    40,810.56x = 802,155,125.80
  5. Step 5: Solve for x
    x = 802,155,125.80/40,810.56
  6. Step 6: Final answer
    x = 19,655.58

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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.