Home / 39,762.20-59,643.30-16,405.40

Finding the Fourth Proportional to 39,762.20, 59,643.30 and 16,405.40

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Solution

The fourth proportional to 39,762.20, 59,643.30 and 16,405.40 is: 24,608.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,762.20 : 59,643.30 = 16,405.40 : x
  2. Step 2: Convert to fraction form
    39,762.20/59,643.30 = 16,405.40/x
  3. Step 3: Cross multiply
    39,762.20x = 59,643.30 × 16,405.40
  4. Step 4: Simplify right side
    39,762.20x = 978,472,193.82
  5. Step 5: Solve for x
    x = 978,472,193.82/39,762.20
  6. Step 6: Final answer
    x = 24,608.10

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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.