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Finding the Fourth Proportional to 50,699, 76,058.70 and 15,637.16

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Solution

The fourth proportional to 50,699, 76,058.70 and 15,637.16 is: 23,458.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,699 : 76,058.70 = 15,637.16 : x
  2. Step 2: Convert to fraction form
    50,699/76,058.70 = 15,637.16/x
  3. Step 3: Cross multiply
    50,699x = 76,058.70 × 15,637.16
  4. Step 4: Simplify right side
    50,699x = 1,189,342,061.29
  5. Step 5: Solve for x
    x = 1,189,342,061.29/50,699
  6. Step 6: Final answer
    x = 23,458.89

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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.