Home / 30,386.58-41,935.59-16,960.45

Finding the Fourth Proportional to 30,386.58, 41,935.59 and 16,960.45

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Solution

The fourth proportional to 30,386.58, 41,935.59 and 16,960.45 is: 23,406.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,386.58 : 41,935.59 = 16,960.45 : x
  2. Step 2: Convert to fraction form
    30,386.58/41,935.59 = 16,960.45/x
  3. Step 3: Cross multiply
    30,386.58x = 41,935.59 × 16,960.45
  4. Step 4: Simplify right side
    30,386.58x = 711,246,477.42
  5. Step 5: Solve for x
    x = 711,246,477.42/30,386.58
  6. Step 6: Final answer
    x = 23,406.60

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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.