Home / 53,368.49-80,101.20-28,429.81

Finding the Fourth Proportional to 53,368.49, 80,101.20 and 28,429.81

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Solution

The fourth proportional to 53,368.49, 80,101.20 and 28,429.81 is: 42,670.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,368.49 : 80,101.20 = 28,429.81 : x
  2. Step 2: Convert to fraction form
    53,368.49/80,101.20 = 28,429.81/x
  3. Step 3: Cross multiply
    53,368.49x = 80,101.20 × 28,429.81
  4. Step 4: Simplify right side
    53,368.49x = 2,277,261,896.77
  5. Step 5: Solve for x
    x = 2,277,261,896.77/53,368.49
  6. Step 6: Final answer
    x = 42,670.53

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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.