Home / 29,110.20-43,730.10-28,008.60

Finding the Fourth Proportional to 29,110.20, 43,730.10 and 28,008.60

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Solution

The fourth proportional to 29,110.20, 43,730.10 and 28,008.60 is: 42,075.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,110.20 : 43,730.10 = 28,008.60 : x
  2. Step 2: Convert to fraction form
    29,110.20/43,730.10 = 28,008.60/x
  3. Step 3: Cross multiply
    29,110.20x = 43,730.10 × 28,008.60
  4. Step 4: Simplify right side
    29,110.20x = 1,224,818,878.86
  5. Step 5: Solve for x
    x = 1,224,818,878.86/29,110.20
  6. Step 6: Final answer
    x = 42,075.25

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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.