Home / 38,312.78-57,459.42-19,582.34

Finding the Fourth Proportional to 38,312.78, 57,459.42 and 19,582.34

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Solution

The fourth proportional to 38,312.78, 57,459.42 and 19,582.34 is: 29,368.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,312.78 : 57,459.42 = 19,582.34 : x
  2. Step 2: Convert to fraction form
    38,312.78/57,459.42 = 19,582.34/x
  3. Step 3: Cross multiply
    38,312.78x = 57,459.42 × 19,582.34
  4. Step 4: Simplify right side
    38,312.78x = 1,125,189,611.35
  5. Step 5: Solve for x
    x = 1,125,189,611.35/38,312.78
  6. Step 6: Final answer
    x = 29,368.52

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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.