Home / 33,715.08-46,541.64-21,784.20

Finding the Fourth Proportional to 33,715.08, 46,541.64 and 21,784.20

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Solution

The fourth proportional to 33,715.08, 46,541.64 and 21,784.20 is: 30,071.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,715.08 : 46,541.64 = 21,784.20 : x
  2. Step 2: Convert to fraction form
    33,715.08/46,541.64 = 21,784.20/x
  3. Step 3: Cross multiply
    33,715.08x = 46,541.64 × 21,784.20
  4. Step 4: Simplify right side
    33,715.08x = 1,013,872,394.09
  5. Step 5: Solve for x
    x = 1,013,872,394.09/33,715.08
  6. Step 6: Final answer
    x = 30,071.78

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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.