Home / 35,485.72-48,970-19,570.84

Finding the Fourth Proportional to 35,485.72, 48,970 and 19,570.84

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Solution

The fourth proportional to 35,485.72, 48,970 and 19,570.84 is: 27,007.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,485.72 : 48,970 = 19,570.84 : x
  2. Step 2: Convert to fraction form
    35,485.72/48,970 = 19,570.84/x
  3. Step 3: Cross multiply
    35,485.72x = 48,970 × 19,570.84
  4. Step 4: Simplify right side
    35,485.72x = 958,384,034.80
  5. Step 5: Solve for x
    x = 958,384,034.80/35,485.72
  6. Step 6: Final answer
    x = 27,007.60

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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.