Home / 53,840.04-74,297.93-29,640.80

Finding the Fourth Proportional to 53,840.04, 74,297.93 and 29,640.80

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Solution

The fourth proportional to 53,840.04, 74,297.93 and 29,640.80 is: 40,903.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,840.04 : 74,297.93 = 29,640.80 : x
  2. Step 2: Convert to fraction form
    53,840.04/74,297.93 = 29,640.80/x
  3. Step 3: Cross multiply
    53,840.04x = 74,297.93 × 29,640.80
  4. Step 4: Simplify right side
    53,840.04x = 2,202,249,749.60
  5. Step 5: Solve for x
    x = 2,202,249,749.60/53,840.04
  6. Step 6: Final answer
    x = 40,903.57

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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.