Home / 65,391.63-98,088.35-18,644.50

Finding the Fourth Proportional to 65,391.63, 98,088.35 and 18,644.50

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Solution

The fourth proportional to 65,391.63, 98,088.35 and 18,644.50 is: 27,967.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,391.63 : 98,088.35 = 18,644.50 : x
  2. Step 2: Convert to fraction form
    65,391.63/98,088.35 = 18,644.50/x
  3. Step 3: Cross multiply
    65,391.63x = 98,088.35 × 18,644.50
  4. Step 4: Simplify right side
    65,391.63x = 1,828,808,241.58
  5. Step 5: Solve for x
    x = 1,828,808,241.58/65,391.63
  6. Step 6: Final answer
    x = 27,967.01

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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.