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Finding the Fourth Proportional to 29,483.60, 44,148.60 and 28,101.20

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Solution

The fourth proportional to 29,483.60, 44,148.60 and 28,101.20 is: 42,078.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,483.60 : 44,148.60 = 28,101.20 : x
  2. Step 2: Convert to fraction form
    29,483.60/44,148.60 = 28,101.20/x
  3. Step 3: Cross multiply
    29,483.60x = 44,148.60 × 28,101.20
  4. Step 4: Simplify right side
    29,483.60x = 1,240,628,638.32
  5. Step 5: Solve for x
    x = 1,240,628,638.32/29,483.60
  6. Step 6: Final answer
    x = 42,078.60

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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.