Home / 38,985.60-58,196.39-34,256.35

Finding the Fourth Proportional to 38,985.60, 58,196.39 and 34,256.35

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Solution

The fourth proportional to 38,985.60, 58,196.39 and 34,256.35 is: 51,136.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,985.60 : 58,196.39 = 34,256.35 : x
  2. Step 2: Convert to fraction form
    38,985.60/58,196.39 = 34,256.35/x
  3. Step 3: Cross multiply
    38,985.60x = 58,196.39 × 34,256.35
  4. Step 4: Simplify right side
    38,985.60x = 1,993,595,904.58
  5. Step 5: Solve for x
    x = 1,993,595,904.58/38,985.60
  6. Step 6: Final answer
    x = 51,136.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.