Home / 34,653.69-47,821.95-18,738.14

Finding the Fourth Proportional to 34,653.69, 47,821.95 and 18,738.14

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Solution

The fourth proportional to 34,653.69, 47,821.95 and 18,738.14 is: 25,858.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,653.69 : 47,821.95 = 18,738.14 : x
  2. Step 2: Convert to fraction form
    34,653.69/47,821.95 = 18,738.14/x
  3. Step 3: Cross multiply
    34,653.69x = 47,821.95 × 18,738.14
  4. Step 4: Simplify right side
    34,653.69x = 896,094,155.06
  5. Step 5: Solve for x
    x = 896,094,155.06/34,653.69
  6. Step 6: Final answer
    x = 25,858.55

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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.