Home / 39,862.76-55,014.48-29,773.70

Finding the Fourth Proportional to 39,862.76, 55,014.48 and 29,773.70

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Solution

The fourth proportional to 39,862.76, 55,014.48 and 29,773.70 is: 41,090.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,862.76 : 55,014.48 = 29,773.70 : x
  2. Step 2: Convert to fraction form
    39,862.76/55,014.48 = 29,773.70/x
  3. Step 3: Cross multiply
    39,862.76x = 55,014.48 × 29,773.70
  4. Step 4: Simplify right side
    39,862.76x = 1,637,984,623.18
  5. Step 5: Solve for x
    x = 1,637,984,623.18/39,862.76
  6. Step 6: Final answer
    x = 41,090.60

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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.