Home / 33,641.64-46,447.82-20,913.84

Finding the Fourth Proportional to 33,641.64, 46,447.82 and 20,913.84

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Solution

The fourth proportional to 33,641.64, 46,447.82 and 20,913.84 is: 28,875.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,641.64 : 46,447.82 = 20,913.84 : x
  2. Step 2: Convert to fraction form
    33,641.64/46,447.82 = 20,913.84/x
  3. Step 3: Cross multiply
    33,641.64x = 46,447.82 × 20,913.84
  4. Step 4: Simplify right side
    33,641.64x = 971,402,275.83
  5. Step 5: Solve for x
    x = 971,402,275.83/33,641.64
  6. Step 6: Final answer
    x = 28,875.00

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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.