Home / 42,629.36-63,943.64-23,909.36

Finding the Fourth Proportional to 42,629.36, 63,943.64 and 23,909.36

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Solution

The fourth proportional to 42,629.36, 63,943.64 and 23,909.36 is: 35,863.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,629.36 : 63,943.64 = 23,909.36 : x
  2. Step 2: Convert to fraction form
    42,629.36/63,943.64 = 23,909.36/x
  3. Step 3: Cross multiply
    42,629.36x = 63,943.64 × 23,909.36
  4. Step 4: Simplify right side
    42,629.36x = 1,528,851,508.47
  5. Step 5: Solve for x
    x = 1,528,851,508.47/42,629.36
  6. Step 6: Final answer
    x = 35,863.82

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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.