Home / 33,363.12-46,019.40-21,407.52

Finding the Fourth Proportional to 33,363.12, 46,019.40 and 21,407.52

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Solution

The fourth proportional to 33,363.12, 46,019.40 and 21,407.52 is: 29,528.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,363.12 : 46,019.40 = 21,407.52 : x
  2. Step 2: Convert to fraction form
    33,363.12/46,019.40 = 21,407.52/x
  3. Step 3: Cross multiply
    33,363.12x = 46,019.40 × 21,407.52
  4. Step 4: Simplify right side
    33,363.12x = 985,161,225.89
  5. Step 5: Solve for x
    x = 985,161,225.89/33,363.12
  6. Step 6: Final answer
    x = 29,528.45

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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.