Home / 32,638.84-45,038.80-18,103.44

Finding the Fourth Proportional to 32,638.84, 45,038.80 and 18,103.44

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Solution

The fourth proportional to 32,638.84, 45,038.80 and 18,103.44 is: 24,981.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,638.84 : 45,038.80 = 18,103.44 : x
  2. Step 2: Convert to fraction form
    32,638.84/45,038.80 = 18,103.44/x
  3. Step 3: Cross multiply
    32,638.84x = 45,038.80 × 18,103.44
  4. Step 4: Simplify right side
    32,638.84x = 815,357,213.47
  5. Step 5: Solve for x
    x = 815,357,213.47/32,638.84
  6. Step 6: Final answer
    x = 24,981.19

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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.