Home / 32,438.20-48,638.10-16,886.20

Finding the Fourth Proportional to 32,438.20, 48,638.10 and 16,886.20

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Solution

The fourth proportional to 32,438.20, 48,638.10 and 16,886.20 is: 25,319.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,438.20 : 48,638.10 = 16,886.20 : x
  2. Step 2: Convert to fraction form
    32,438.20/48,638.10 = 16,886.20/x
  3. Step 3: Cross multiply
    32,438.20x = 48,638.10 × 16,886.20
  4. Step 4: Simplify right side
    32,438.20x = 821,312,684.22
  5. Step 5: Solve for x
    x = 821,312,684.22/32,438.20
  6. Step 6: Final answer
    x = 25,319.31

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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.