Home / 46,428.28-64,066.61-28,520.39

Finding the Fourth Proportional to 46,428.28, 64,066.61 and 28,520.39

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Solution

The fourth proportional to 46,428.28, 64,066.61 and 28,520.39 is: 39,355.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,428.28 : 64,066.61 = 28,520.39 : x
  2. Step 2: Convert to fraction form
    46,428.28/64,066.61 = 28,520.39/x
  3. Step 3: Cross multiply
    46,428.28x = 64,066.61 × 28,520.39
  4. Step 4: Simplify right side
    46,428.28x = 1,827,204,934.65
  5. Step 5: Solve for x
    x = 1,827,204,934.65/46,428.28
  6. Step 6: Final answer
    x = 39,355.43

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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.