Home / 39,828.40-59,627.40-35,681.20

Finding the Fourth Proportional to 39,828.40, 59,627.40 and 35,681.20

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Solution

The fourth proportional to 39,828.40, 59,627.40 and 35,681.20 is: 53,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,828.40 : 59,627.40 = 35,681.20 : x
  2. Step 2: Convert to fraction form
    39,828.40/59,627.40 = 35,681.20/x
  3. Step 3: Cross multiply
    39,828.40x = 59,627.40 × 35,681.20
  4. Step 4: Simplify right side
    39,828.40x = 2,127,577,184.88
  5. Step 5: Solve for x
    x = 2,127,577,184.88/39,828.40
  6. Step 6: Final answer
    x = 53,418.60

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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.