Home / 52,802.73-72,869.40-28,930.86

Finding the Fourth Proportional to 52,802.73, 72,869.40 and 28,930.86

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Solution

The fourth proportional to 52,802.73, 72,869.40 and 28,930.86 is: 39,925.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,802.73 : 72,869.40 = 28,930.86 : x
  2. Step 2: Convert to fraction form
    52,802.73/72,869.40 = 28,930.86/x
  3. Step 3: Cross multiply
    52,802.73x = 72,869.40 × 28,930.86
  4. Step 4: Simplify right side
    52,802.73x = 2,108,174,409.68
  5. Step 5: Solve for x
    x = 2,108,174,409.68/52,802.73
  6. Step 6: Final answer
    x = 39,925.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.