Home / 61,068.86-91,617.60-18,946.79

Finding the Fourth Proportional to 61,068.86, 91,617.60 and 18,946.79

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Solution

The fourth proportional to 61,068.86, 91,617.60 and 18,946.79 is: 28,424.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,068.86 : 91,617.60 = 18,946.79 : x
  2. Step 2: Convert to fraction form
    61,068.86/91,617.60 = 18,946.79/x
  3. Step 3: Cross multiply
    61,068.86x = 91,617.60 × 18,946.79
  4. Step 4: Simplify right side
    61,068.86x = 1,735,859,427.50
  5. Step 5: Solve for x
    x = 1,735,859,427.50/61,068.86
  6. Step 6: Final answer
    x = 28,424.62

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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.