Home / 30,398.95-41,951.27-19,068.93

Finding the Fourth Proportional to 30,398.95, 41,951.27 and 19,068.93

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Solution

The fourth proportional to 30,398.95, 41,951.27 and 19,068.93 is: 26,315.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,398.95 : 41,951.27 = 19,068.93 : x
  2. Step 2: Convert to fraction form
    30,398.95/41,951.27 = 19,068.93/x
  3. Step 3: Cross multiply
    30,398.95x = 41,951.27 × 19,068.93
  4. Step 4: Simplify right side
    30,398.95x = 799,965,653.46
  5. Step 5: Solve for x
    x = 799,965,653.46/30,398.95
  6. Step 6: Final answer
    x = 26,315.57

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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.