Home / 32,979.64-45,511.34-18,075.32

Finding the Fourth Proportional to 32,979.64, 45,511.34 and 18,075.32

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Solution

The fourth proportional to 32,979.64, 45,511.34 and 18,075.32 is: 24,943.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,979.64 : 45,511.34 = 18,075.32 : x
  2. Step 2: Convert to fraction form
    32,979.64/45,511.34 = 18,075.32/x
  3. Step 3: Cross multiply
    32,979.64x = 45,511.34 × 18,075.32
  4. Step 4: Simplify right side
    32,979.64x = 822,632,034.13
  5. Step 5: Solve for x
    x = 822,632,034.13/32,979.64
  6. Step 6: Final answer
    x = 24,943.63

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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.