Home / 43,275.42-64,781.64-38,638.98

Finding the Fourth Proportional to 43,275.42, 64,781.64 and 38,638.98

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Solution

The fourth proportional to 43,275.42, 64,781.64 and 38,638.98 is: 57,841.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,275.42 : 64,781.64 = 38,638.98 : x
  2. Step 2: Convert to fraction form
    43,275.42/64,781.64 = 38,638.98/x
  3. Step 3: Cross multiply
    43,275.42x = 64,781.64 × 38,638.98
  4. Step 4: Simplify right side
    43,275.42x = 2,503,096,492.33
  5. Step 5: Solve for x
    x = 2,503,096,492.33/43,275.42
  6. Step 6: Final answer
    x = 57,841.07

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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.