Home / 51,699.28-71,345.04-29,038.32

Finding the Fourth Proportional to 51,699.28, 71,345.04 and 29,038.32

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Solution

The fourth proportional to 51,699.28, 71,345.04 and 29,038.32 is: 40,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,699.28 : 71,345.04 = 29,038.32 : x
  2. Step 2: Convert to fraction form
    51,699.28/71,345.04 = 29,038.32/x
  3. Step 3: Cross multiply
    51,699.28x = 71,345.04 × 29,038.32
  4. Step 4: Simplify right side
    51,699.28x = 2,071,740,101.93
  5. Step 5: Solve for x
    x = 2,071,740,101.93/51,699.28
  6. Step 6: Final answer
    x = 40,072.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.