Home / 35,089.72-52,655.32-12,918.64

Finding the Fourth Proportional to 35,089.72, 52,655.32 and 12,918.64

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Solution

The fourth proportional to 35,089.72, 52,655.32 and 12,918.64 is: 19,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,089.72 : 52,655.32 = 12,918.64 : x
  2. Step 2: Convert to fraction form
    35,089.72/52,655.32 = 12,918.64/x
  3. Step 3: Cross multiply
    35,089.72x = 52,655.32 × 12,918.64
  4. Step 4: Simplify right side
    35,089.72x = 680,235,123.16
  5. Step 5: Solve for x
    x = 680,235,123.16/35,089.72
  6. Step 6: Final answer
    x = 19,385.60

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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.