Home / 38,401.84-52,994.94-21,407.57

Finding the Fourth Proportional to 38,401.84, 52,994.94 and 21,407.57

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Solution

The fourth proportional to 38,401.84, 52,994.94 and 21,407.57 is: 29,542.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,401.84 : 52,994.94 = 21,407.57 : x
  2. Step 2: Convert to fraction form
    38,401.84/52,994.94 = 21,407.57/x
  3. Step 3: Cross multiply
    38,401.84x = 52,994.94 × 21,407.57
  4. Step 4: Simplify right side
    38,401.84x = 1,134,492,835.07
  5. Step 5: Solve for x
    x = 1,134,492,835.07/38,401.84
  6. Step 6: Final answer
    x = 29,542.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.