Home / 49,409.18-74,112.69-14,347.34

Finding the Fourth Proportional to 49,409.18, 74,112.69 and 14,347.34

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Solution

The fourth proportional to 49,409.18, 74,112.69 and 14,347.34 is: 21,520.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,409.18 : 74,112.69 = 14,347.34 : x
  2. Step 2: Convert to fraction form
    49,409.18/74,112.69 = 14,347.34/x
  3. Step 3: Cross multiply
    49,409.18x = 74,112.69 × 14,347.34
  4. Step 4: Simplify right side
    49,409.18x = 1,063,319,961.74
  5. Step 5: Solve for x
    x = 1,063,319,961.74/49,409.18
  6. Step 6: Final answer
    x = 21,520.70

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1.5x scale

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.