Home / 42,617.55-63,916.05-13,035.64

Finding the Fourth Proportional to 42,617.55, 63,916.05 and 13,035.64

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Solution

The fourth proportional to 42,617.55, 63,916.05 and 13,035.64 is: 19,550.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,617.55 : 63,916.05 = 13,035.64 : x
  2. Step 2: Convert to fraction form
    42,617.55/63,916.05 = 13,035.64/x
  3. Step 3: Cross multiply
    42,617.55x = 63,916.05 × 13,035.64
  4. Step 4: Simplify right side
    42,617.55x = 833,186,507.12
  5. Step 5: Solve for x
    x = 833,186,507.12/42,617.55
  6. Step 6: Final answer
    x = 19,550.32

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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.