Home / 39,349.02-54,260.10-29,261.28

Finding the Fourth Proportional to 39,349.02, 54,260.10 and 29,261.28

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Solution

The fourth proportional to 39,349.02, 54,260.10 and 29,261.28 is: 40,349.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,349.02 : 54,260.10 = 29,261.28 : x
  2. Step 2: Convert to fraction form
    39,349.02/54,260.10 = 29,261.28/x
  3. Step 3: Cross multiply
    39,349.02x = 54,260.10 × 29,261.28
  4. Step 4: Simplify right side
    39,349.02x = 1,587,719,978.93
  5. Step 5: Solve for x
    x = 1,587,719,978.93/39,349.02
  6. Step 6: Final answer
    x = 40,349.67

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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.