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Finding the Fourth Proportional to 56,599.16, 84,898.94 and 19,159.54

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Solution

The fourth proportional to 56,599.16, 84,898.94 and 19,159.54 is: 28,739.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,599.16 : 84,898.94 = 19,159.54 : x
  2. Step 2: Convert to fraction form
    56,599.16/84,898.94 = 19,159.54/x
  3. Step 3: Cross multiply
    56,599.16x = 84,898.94 × 19,159.54
  4. Step 4: Simplify right side
    56,599.16x = 1,626,624,328.84
  5. Step 5: Solve for x
    x = 1,626,624,328.84/56,599.16
  6. Step 6: Final answer
    x = 28,739.37

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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.