Home / 45,364.74-68,039.40-13,767.18

Finding the Fourth Proportional to 45,364.74, 68,039.40 and 13,767.18

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Solution

The fourth proportional to 45,364.74, 68,039.40 and 13,767.18 is: 20,648.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,364.74 : 68,039.40 = 13,767.18 : x
  2. Step 2: Convert to fraction form
    45,364.74/68,039.40 = 13,767.18/x
  3. Step 3: Cross multiply
    45,364.74x = 68,039.40 × 13,767.18
  4. Step 4: Simplify right side
    45,364.74x = 936,710,666.89
  5. Step 5: Solve for x
    x = 936,710,666.89/45,364.74
  6. Step 6: Final answer
    x = 20,648.43

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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.