Home / 42,459.12-63,664.29-17,516.34

Finding the Fourth Proportional to 42,459.12, 63,664.29 and 17,516.34

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Solution

The fourth proportional to 42,459.12, 63,664.29 and 17,516.34 is: 26,264.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,459.12 : 63,664.29 = 17,516.34 : x
  2. Step 2: Convert to fraction form
    42,459.12/63,664.29 = 17,516.34/x
  3. Step 3: Cross multiply
    42,459.12x = 63,664.29 × 17,516.34
  4. Step 4: Simplify right side
    42,459.12x = 1,115,165,349.50
  5. Step 5: Solve for x
    x = 1,115,165,349.50/42,459.12
  6. Step 6: Final answer
    x = 26,264.45

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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.