Home / 30,730.17-46,058.80-13,162.89

Finding the Fourth Proportional to 30,730.17, 46,058.80 and 13,162.89

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Solution

The fourth proportional to 30,730.17, 46,058.80 and 13,162.89 is: 19,728.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,730.17 : 46,058.80 = 13,162.89 : x
  2. Step 2: Convert to fraction form
    30,730.17/46,058.80 = 13,162.89/x
  3. Step 3: Cross multiply
    30,730.17x = 46,058.80 × 13,162.89
  4. Step 4: Simplify right side
    30,730.17x = 606,266,917.93
  5. Step 5: Solve for x
    x = 606,266,917.93/30,730.17
  6. Step 6: Final answer
    x = 19,728.72

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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.