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Finding the Fourth Proportional to 35,675.80, 49,225.02 and 21,528.40

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Solution

The fourth proportional to 35,675.80, 49,225.02 and 21,528.40 is: 29,704.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,675.80 : 49,225.02 = 21,528.40 : x
  2. Step 2: Convert to fraction form
    35,675.80/49,225.02 = 21,528.40/x
  3. Step 3: Cross multiply
    35,675.80x = 49,225.02 × 21,528.40
  4. Step 4: Simplify right side
    35,675.80x = 1,059,735,920.57
  5. Step 5: Solve for x
    x = 1,059,735,920.57/35,675.80
  6. Step 6: Final answer
    x = 29,704.62

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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.