Home / 35,088.10-48,416.21-19,981.38

Finding the Fourth Proportional to 35,088.10, 48,416.21 and 19,981.38

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Solution

The fourth proportional to 35,088.10, 48,416.21 and 19,981.38 is: 27,571.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,088.10 : 48,416.21 = 19,981.38 : x
  2. Step 2: Convert to fraction form
    35,088.10/48,416.21 = 19,981.38/x
  3. Step 3: Cross multiply
    35,088.10x = 48,416.21 × 19,981.38
  4. Step 4: Simplify right side
    35,088.10x = 967,422,690.17
  5. Step 5: Solve for x
    x = 967,422,690.17/35,088.10
  6. Step 6: Final answer
    x = 27,571.25

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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.