Home / 35,428.61-48,893.69-19,513.05

Finding the Fourth Proportional to 35,428.61, 48,893.69 and 19,513.05

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Solution

The fourth proportional to 35,428.61, 48,893.69 and 19,513.05 is: 26,929.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,428.61 : 48,893.69 = 19,513.05 : x
  2. Step 2: Convert to fraction form
    35,428.61/48,893.69 = 19,513.05/x
  3. Step 3: Cross multiply
    35,428.61x = 48,893.69 × 19,513.05
  4. Step 4: Simplify right side
    35,428.61x = 954,064,920.09
  5. Step 5: Solve for x
    x = 954,064,920.09/35,428.61
  6. Step 6: Final answer
    x = 26,929.23

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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.