Home / 32,985.72-45,520.35-17,878.38

Finding the Fourth Proportional to 32,985.72, 45,520.35 and 17,878.38

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Solution

The fourth proportional to 32,985.72, 45,520.35 and 17,878.38 is: 24,672.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,985.72 : 45,520.35 = 17,878.38 : x
  2. Step 2: Convert to fraction form
    32,985.72/45,520.35 = 17,878.38/x
  3. Step 3: Cross multiply
    32,985.72x = 45,520.35 × 17,878.38
  4. Step 4: Simplify right side
    32,985.72x = 813,830,115.03
  5. Step 5: Solve for x
    x = 813,830,115.03/32,985.72
  6. Step 6: Final answer
    x = 24,672.19

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Double scale
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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.