Home / 38,929.35-58,430.35-19,968.22

Finding the Fourth Proportional to 38,929.35, 58,430.35 and 19,968.22

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Solution

The fourth proportional to 38,929.35, 58,430.35 and 19,968.22 is: 29,970.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,929.35 : 58,430.35 = 19,968.22 : x
  2. Step 2: Convert to fraction form
    38,929.35/58,430.35 = 19,968.22/x
  3. Step 3: Cross multiply
    38,929.35x = 58,430.35 × 19,968.22
  4. Step 4: Simplify right side
    38,929.35x = 1,166,750,083.48
  5. Step 5: Solve for x
    x = 1,166,750,083.48/38,929.35
  6. Step 6: Final answer
    x = 29,970.96

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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.