Home / 46,319.13-69,482.79-13,039.49

Finding the Fourth Proportional to 46,319.13, 69,482.79 and 13,039.49

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Solution

The fourth proportional to 46,319.13, 69,482.79 and 13,039.49 is: 19,560.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,319.13 : 69,482.79 = 13,039.49 : x
  2. Step 2: Convert to fraction form
    46,319.13/69,482.79 = 13,039.49/x
  3. Step 3: Cross multiply
    46,319.13x = 69,482.79 × 13,039.49
  4. Step 4: Simplify right side
    46,319.13x = 906,019,797.96
  5. Step 5: Solve for x
    x = 906,019,797.96/46,319.13
  6. Step 6: Final answer
    x = 19,560.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.