Home / 35,522.40-49,030.58-20,416.61

Finding the Fourth Proportional to 35,522.40, 49,030.58 and 20,416.61

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Solution

The fourth proportional to 35,522.40, 49,030.58 and 20,416.61 is: 28,180.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,522.40 : 49,030.58 = 20,416.61 : x
  2. Step 2: Convert to fraction form
    35,522.40/49,030.58 = 20,416.61/x
  3. Step 3: Cross multiply
    35,522.40x = 49,030.58 × 20,416.61
  4. Step 4: Simplify right side
    35,522.40x = 1,001,038,250.43
  5. Step 5: Solve for x
    x = 1,001,038,250.43/35,522.40
  6. Step 6: Final answer
    x = 28,180.48

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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.