Home / 61,709.13-92,440.37-28,383.50

Finding the Fourth Proportional to 61,709.13, 92,440.37 and 28,383.50

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Solution

The fourth proportional to 61,709.13, 92,440.37 and 28,383.50 is: 42,518.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,709.13 : 92,440.37 = 28,383.50 : x
  2. Step 2: Convert to fraction form
    61,709.13/92,440.37 = 28,383.50/x
  3. Step 3: Cross multiply
    61,709.13x = 92,440.37 × 28,383.50
  4. Step 4: Simplify right side
    61,709.13x = 2,623,781,543.95
  5. Step 5: Solve for x
    x = 2,623,781,543.95/61,709.13
  6. Step 6: Final answer
    x = 42,518.53

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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.