Home / 40,054.50-55,280.07-23,287.50

Finding the Fourth Proportional to 40,054.50, 55,280.07 and 23,287.50

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Solution

The fourth proportional to 40,054.50, 55,280.07 and 23,287.50 is: 32,139.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,054.50 : 55,280.07 = 23,287.50 : x
  2. Step 2: Convert to fraction form
    40,054.50/55,280.07 = 23,287.50/x
  3. Step 3: Cross multiply
    40,054.50x = 55,280.07 × 23,287.50
  4. Step 4: Simplify right side
    40,054.50x = 1,287,334,630.13
  5. Step 5: Solve for x
    x = 1,287,334,630.13/40,054.50
  6. Step 6: Final answer
    x = 32,139.58

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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.