Home / 30,264.48-45,389.52-12,725.28

Finding the Fourth Proportional to 30,264.48, 45,389.52 and 12,725.28

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Solution

The fourth proportional to 30,264.48, 45,389.52 and 12,725.28 is: 19,084.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,264.48 : 45,389.52 = 12,725.28 : x
  2. Step 2: Convert to fraction form
    30,264.48/45,389.52 = 12,725.28/x
  3. Step 3: Cross multiply
    30,264.48x = 45,389.52 × 12,725.28
  4. Step 4: Simplify right side
    30,264.48x = 577,594,351.07
  5. Step 5: Solve for x
    x = 577,594,351.07/30,264.48
  6. Step 6: Final answer
    x = 19,084.89

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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.