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Finding the Fourth Proportional to 59,871.72, 89,802.72 and 23,360.16

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Solution

The fourth proportional to 59,871.72, 89,802.72 and 23,360.16 is: 35,038.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,871.72 : 89,802.72 = 23,360.16 : x
  2. Step 2: Convert to fraction form
    59,871.72/89,802.72 = 23,360.16/x
  3. Step 3: Cross multiply
    59,871.72x = 89,802.72 × 23,360.16
  4. Step 4: Simplify right side
    59,871.72x = 2,097,805,907.64
  5. Step 5: Solve for x
    x = 2,097,805,907.64/59,871.72
  6. Step 6: Final answer
    x = 35,038.34

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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.