Home / 32,445.21-44,763.90-18,102.72

Finding the Fourth Proportional to 32,445.21, 44,763.90 and 18,102.72

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Solution

The fourth proportional to 32,445.21, 44,763.90 and 18,102.72 is: 24,975.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,445.21 : 44,763.90 = 18,102.72 : x
  2. Step 2: Convert to fraction form
    32,445.21/44,763.90 = 18,102.72/x
  3. Step 3: Cross multiply
    32,445.21x = 44,763.90 × 18,102.72
  4. Step 4: Simplify right side
    32,445.21x = 810,348,347.81
  5. Step 5: Solve for x
    x = 810,348,347.81/32,445.21
  6. Step 6: Final answer
    x = 24,975.90

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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.