Home / 53,299.75-79,943.95-28,313.28

Finding the Fourth Proportional to 53,299.75, 79,943.95 and 28,313.28

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Solution

The fourth proportional to 53,299.75, 79,943.95 and 28,313.28 is: 42,466.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,299.75 : 79,943.95 = 28,313.28 : x
  2. Step 2: Convert to fraction form
    53,299.75/79,943.95 = 28,313.28/x
  3. Step 3: Cross multiply
    53,299.75x = 79,943.95 × 28,313.28
  4. Step 4: Simplify right side
    53,299.75x = 2,263,475,440.66
  5. Step 5: Solve for x
    x = 2,263,475,440.66/53,299.75
  6. Step 6: Final answer
    x = 42,466.91

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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.