Home / 46,905-64,728.92-25,394.75

Finding the Fourth Proportional to 46,905, 64,728.92 and 25,394.75

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Solution

The fourth proportional to 46,905, 64,728.92 and 25,394.75 is: 35,044.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,905 : 64,728.92 = 25,394.75 : x
  2. Step 2: Convert to fraction form
    46,905/64,728.92 = 25,394.75/x
  3. Step 3: Cross multiply
    46,905x = 64,728.92 × 25,394.75
  4. Step 4: Simplify right side
    46,905x = 1,643,774,741.17
  5. Step 5: Solve for x
    x = 1,643,774,741.17/46,905
  6. Step 6: Final answer
    x = 35,044.77

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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.