Home / 30,926.70-42,678.84-17,497.66

Finding the Fourth Proportional to 30,926.70, 42,678.84 and 17,497.66

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Solution

The fourth proportional to 30,926.70, 42,678.84 and 17,497.66 is: 24,146.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,926.70 : 42,678.84 = 17,497.66 : x
  2. Step 2: Convert to fraction form
    30,926.70/42,678.84 = 17,497.66/x
  3. Step 3: Cross multiply
    30,926.70x = 42,678.84 × 17,497.66
  4. Step 4: Simplify right side
    30,926.70x = 746,779,831.51
  5. Step 5: Solve for x
    x = 746,779,831.51/30,926.70
  6. Step 6: Final answer
    x = 24,146.77

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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.