Home / 42,629.20-63,943.80-23,602.30

Finding the Fourth Proportional to 42,629.20, 63,943.80 and 23,602.30

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Solution

The fourth proportional to 42,629.20, 63,943.80 and 23,602.30 is: 35,403.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,629.20 : 63,943.80 = 23,602.30 : x
  2. Step 2: Convert to fraction form
    42,629.20/63,943.80 = 23,602.30/x
  3. Step 3: Cross multiply
    42,629.20x = 63,943.80 × 23,602.30
  4. Step 4: Simplify right side
    42,629.20x = 1,509,220,750.74
  5. Step 5: Solve for x
    x = 1,509,220,750.74/42,629.20
  6. Step 6: Final answer
    x = 35,403.45

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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.