Home / 30,277.06-45,432.33-12,746.50

Finding the Fourth Proportional to 30,277.06, 45,432.33 and 12,746.50

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Solution

The fourth proportional to 30,277.06, 45,432.33 and 12,746.50 is: 19,126.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,277.06 : 45,432.33 = 12,746.50 : x
  2. Step 2: Convert to fraction form
    30,277.06/45,432.33 = 12,746.50/x
  3. Step 3: Cross multiply
    30,277.06x = 45,432.33 × 12,746.50
  4. Step 4: Simplify right side
    30,277.06x = 579,103,194.35
  5. Step 5: Solve for x
    x = 579,103,194.35/30,277.06
  6. Step 6: Final answer
    x = 19,126.80

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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.