Home / 64,815.10-97,210.65-18,058.30

Finding the Fourth Proportional to 64,815.10, 97,210.65 and 18,058.30

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Solution

The fourth proportional to 64,815.10, 97,210.65 and 18,058.30 is: 27,084.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,815.10 : 97,210.65 = 18,058.30 : x
  2. Step 2: Convert to fraction form
    64,815.10/97,210.65 = 18,058.30/x
  3. Step 3: Cross multiply
    64,815.10x = 97,210.65 × 18,058.30
  4. Step 4: Simplify right side
    64,815.10x = 1,755,459,080.90
  5. Step 5: Solve for x
    x = 1,755,459,080.90/64,815.10
  6. Step 6: Final answer
    x = 27,084.11

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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.