Home / 35,813.51-49,428.73-20,715.35

Finding the Fourth Proportional to 35,813.51, 49,428.73 and 20,715.35

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Solution

The fourth proportional to 35,813.51, 49,428.73 and 20,715.35 is: 28,590.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,813.51 : 49,428.73 = 20,715.35 : x
  2. Step 2: Convert to fraction form
    35,813.51/49,428.73 = 20,715.35/x
  3. Step 3: Cross multiply
    35,813.51x = 49,428.73 × 20,715.35
  4. Step 4: Simplify right side
    35,813.51x = 1,023,933,599.09
  5. Step 5: Solve for x
    x = 1,023,933,599.09/35,813.51
  6. Step 6: Final answer
    x = 28,590.71

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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.