Home / 30,924.50-46,393.06-13,155.12

Finding the Fourth Proportional to 30,924.50, 46,393.06 and 13,155.12

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Solution

The fourth proportional to 30,924.50, 46,393.06 and 13,155.12 is: 19,735.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,924.50 : 46,393.06 = 13,155.12 : x
  2. Step 2: Convert to fraction form
    30,924.50/46,393.06 = 13,155.12/x
  3. Step 3: Cross multiply
    30,924.50x = 46,393.06 × 13,155.12
  4. Step 4: Simplify right side
    30,924.50x = 610,306,271.47
  5. Step 5: Solve for x
    x = 610,306,271.47/30,924.50
  6. Step 6: Final answer
    x = 19,735.36

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Double scale
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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.