Home / 49,420.16-74,130.24-21,716.16

Finding the Fourth Proportional to 49,420.16, 74,130.24 and 21,716.16

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Solution

The fourth proportional to 49,420.16, 74,130.24 and 21,716.16 is: 32,574.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,420.16 : 74,130.24 = 21,716.16 : x
  2. Step 2: Convert to fraction form
    49,420.16/74,130.24 = 21,716.16/x
  3. Step 3: Cross multiply
    49,420.16x = 74,130.24 × 21,716.16
  4. Step 4: Simplify right side
    49,420.16x = 1,609,824,152.68
  5. Step 5: Solve for x
    x = 1,609,824,152.68/49,420.16
  6. Step 6: Final answer
    x = 32,574.24

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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.