Home / 38,985.48-58,484.34-16,805.10

Finding the Fourth Proportional to 38,985.48, 58,484.34 and 16,805.10

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Solution

The fourth proportional to 38,985.48, 58,484.34 and 16,805.10 is: 25,210.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,985.48 : 58,484.34 = 16,805.10 : x
  2. Step 2: Convert to fraction form
    38,985.48/58,484.34 = 16,805.10/x
  3. Step 3: Cross multiply
    38,985.48x = 58,484.34 × 16,805.10
  4. Step 4: Simplify right side
    38,985.48x = 982,835,182.13
  5. Step 5: Solve for x
    x = 982,835,182.13/38,985.48
  6. Step 6: Final answer
    x = 25,210.29

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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.