Home / 30,957.36-42,719.99-17,525.94

Finding the Fourth Proportional to 30,957.36, 42,719.99 and 17,525.94

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Solution

The fourth proportional to 30,957.36, 42,719.99 and 17,525.94 is: 24,185.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,957.36 : 42,719.99 = 17,525.94 : x
  2. Step 2: Convert to fraction form
    30,957.36/42,719.99 = 17,525.94/x
  3. Step 3: Cross multiply
    30,957.36x = 42,719.99 × 17,525.94
  4. Step 4: Simplify right side
    30,957.36x = 748,707,893.91
  5. Step 5: Solve for x
    x = 748,707,893.91/30,957.36
  6. Step 6: Final answer
    x = 24,185.13

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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.