Home / 30,566.40-45,838.80-10,845.60

Finding the Fourth Proportional to 30,566.40, 45,838.80 and 10,845.60

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Solution

The fourth proportional to 30,566.40, 45,838.80 and 10,845.60 is: 16,264.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,566.40 : 45,838.80 = 10,845.60 : x
  2. Step 2: Convert to fraction form
    30,566.40/45,838.80 = 10,845.60/x
  3. Step 3: Cross multiply
    30,566.40x = 45,838.80 × 10,845.60
  4. Step 4: Simplify right side
    30,566.40x = 497,149,289.28
  5. Step 5: Solve for x
    x = 497,149,289.28/30,566.40
  6. Step 6: Final answer
    x = 16,264.57

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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.