Home / 30,943.89-46,416.72-7,570.32

Finding the Fourth Proportional to 30,943.89, 46,416.72 and 7,570.32

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Solution

The fourth proportional to 30,943.89, 46,416.72 and 7,570.32 is: 11,355.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,943.89 : 46,416.72 = 7,570.32 : x
  2. Step 2: Convert to fraction form
    30,943.89/46,416.72 = 7,570.32/x
  3. Step 3: Cross multiply
    30,943.89x = 46,416.72 × 7,570.32
  4. Step 4: Simplify right side
    30,943.89x = 351,389,423.75
  5. Step 5: Solve for x
    x = 351,389,423.75/30,943.89
  6. Step 6: Final answer
    x = 11,355.70

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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.