Home / 30,721.47-46,087.06-10,999.59

Finding the Fourth Proportional to 30,721.47, 46,087.06 and 10,999.59

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Solution

The fourth proportional to 30,721.47, 46,087.06 and 10,999.59 is: 16,501.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,721.47 : 46,087.06 = 10,999.59 : x
  2. Step 2: Convert to fraction form
    30,721.47/46,087.06 = 10,999.59/x
  3. Step 3: Cross multiply
    30,721.47x = 46,087.06 × 10,999.59
  4. Step 4: Simplify right side
    30,721.47x = 506,938,764.31
  5. Step 5: Solve for x
    x = 506,938,764.31/30,721.47
  6. Step 6: Final answer
    x = 16,501.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.