Home / 35,187.76-52,774.35-12,985.96

Finding the Fourth Proportional to 35,187.76, 52,774.35 and 12,985.96

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Solution

The fourth proportional to 35,187.76, 52,774.35 and 12,985.96 is: 19,476.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,187.76 : 52,774.35 = 12,985.96 : x
  2. Step 2: Convert to fraction form
    35,187.76/52,774.35 = 12,985.96/x
  3. Step 3: Cross multiply
    35,187.76x = 52,774.35 × 12,985.96
  4. Step 4: Simplify right side
    35,187.76x = 685,325,533.20
  5. Step 5: Solve for x
    x = 685,325,533.20/35,187.76
  6. Step 6: Final answer
    x = 19,476.25

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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.