Home / 35,732.87-49,307.79-20,630.40

Finding the Fourth Proportional to 35,732.87, 49,307.79 and 20,630.40

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Solution

The fourth proportional to 35,732.87, 49,307.79 and 20,630.40 is: 28,467.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,732.87 : 49,307.79 = 20,630.40 : x
  2. Step 2: Convert to fraction form
    35,732.87/49,307.79 = 20,630.40/x
  3. Step 3: Cross multiply
    35,732.87x = 49,307.79 × 20,630.40
  4. Step 4: Simplify right side
    35,732.87x = 1,017,239,430.82
  5. Step 5: Solve for x
    x = 1,017,239,430.82/35,732.87
  6. Step 6: Final answer
    x = 28,467.89

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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.