Home / 53,384.81-80,084.57-18,319.91

Finding the Fourth Proportional to 53,384.81, 80,084.57 and 18,319.91

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Solution

The fourth proportional to 53,384.81, 80,084.57 and 18,319.91 is: 27,482.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,384.81 : 80,084.57 = 18,319.91 : x
  2. Step 2: Convert to fraction form
    53,384.81/80,084.57 = 18,319.91/x
  3. Step 3: Cross multiply
    53,384.81x = 80,084.57 × 18,319.91
  4. Step 4: Simplify right side
    53,384.81x = 1,467,141,622.77
  5. Step 5: Solve for x
    x = 1,467,141,622.77/53,384.81
  6. Step 6: Final answer
    x = 27,482.38

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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.