Home / 35,316.15-52,975.40-12,815.43

Finding the Fourth Proportional to 35,316.15, 52,975.40 and 12,815.43

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Solution

The fourth proportional to 35,316.15, 52,975.40 and 12,815.43 is: 19,223.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,316.15 : 52,975.40 = 12,815.43 : x
  2. Step 2: Convert to fraction form
    35,316.15/52,975.40 = 12,815.43/x
  3. Step 3: Cross multiply
    35,316.15x = 52,975.40 × 12,815.43
  4. Step 4: Simplify right side
    35,316.15x = 678,902,466.34
  5. Step 5: Solve for x
    x = 678,902,466.34/35,316.15
  6. Step 6: Final answer
    x = 19,223.57

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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.