Home / 32,518.41-44,866.31-20,420.20

Finding the Fourth Proportional to 32,518.41, 44,866.31 and 20,420.20

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Solution

The fourth proportional to 32,518.41, 44,866.31 and 20,420.20 is: 28,174.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,518.41 : 44,866.31 = 20,420.20 : x
  2. Step 2: Convert to fraction form
    32,518.41/44,866.31 = 20,420.20/x
  3. Step 3: Cross multiply
    32,518.41x = 44,866.31 × 20,420.20
  4. Step 4: Simplify right side
    32,518.41x = 916,178,977.44
  5. Step 5: Solve for x
    x = 916,178,977.44/32,518.41
  6. Step 6: Final answer
    x = 28,174.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.