Home / 30,974.51-46,445.29-12,253.79

Finding the Fourth Proportional to 30,974.51, 46,445.29 and 12,253.79

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Solution

The fourth proportional to 30,974.51, 46,445.29 and 12,253.79 is: 18,374.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,974.51 : 46,445.29 = 12,253.79 : x
  2. Step 2: Convert to fraction form
    30,974.51/46,445.29 = 12,253.79/x
  3. Step 3: Cross multiply
    30,974.51x = 46,445.29 × 12,253.79
  4. Step 4: Simplify right side
    30,974.51x = 569,130,567.29
  5. Step 5: Solve for x
    x = 569,130,567.29/30,974.51
  6. Step 6: Final answer
    x = 18,374.16

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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.