Home / 52,490.64-72,436.86-28,617.24

Finding the Fourth Proportional to 52,490.64, 72,436.86 and 28,617.24

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Solution

The fourth proportional to 52,490.64, 72,436.86 and 28,617.24 is: 39,491.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,490.64 : 72,436.86 = 28,617.24 : x
  2. Step 2: Convert to fraction form
    52,490.64/72,436.86 = 28,617.24/x
  3. Step 3: Cross multiply
    52,490.64x = 72,436.86 × 28,617.24
  4. Step 4: Simplify right side
    52,490.64x = 2,072,943,007.47
  5. Step 5: Solve for x
    x = 2,072,943,007.47/52,490.64
  6. Step 6: Final answer
    x = 39,491.67

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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.