Home / 35,089.12-48,416.88-20,941.12

Finding the Fourth Proportional to 35,089.12, 48,416.88 and 20,941.12

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Solution

The fourth proportional to 35,089.12, 48,416.88 and 20,941.12 is: 28,895.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,089.12 : 48,416.88 = 20,941.12 : x
  2. Step 2: Convert to fraction form
    35,089.12/48,416.88 = 20,941.12/x
  3. Step 3: Cross multiply
    35,089.12x = 48,416.88 × 20,941.12
  4. Step 4: Simplify right side
    35,089.12x = 1,013,903,694.11
  5. Step 5: Solve for x
    x = 1,013,903,694.11/35,089.12
  6. Step 6: Final answer
    x = 28,895.10

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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.