Home / 40,336.02-55,665.06-22,187.51

Finding the Fourth Proportional to 40,336.02, 55,665.06 and 22,187.51

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Solution

The fourth proportional to 40,336.02, 55,665.06 and 22,187.51 is: 30,619.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,336.02 : 55,665.06 = 22,187.51 : x
  2. Step 2: Convert to fraction form
    40,336.02/55,665.06 = 22,187.51/x
  3. Step 3: Cross multiply
    40,336.02x = 55,665.06 × 22,187.51
  4. Step 4: Simplify right side
    40,336.02x = 1,235,069,075.40
  5. Step 5: Solve for x
    x = 1,235,069,075.40/40,336.02
  6. Step 6: Final answer
    x = 30,619.51

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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.