Home / 33,316.80-45,977.67-18,979.80

Finding the Fourth Proportional to 33,316.80, 45,977.67 and 18,979.80

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Solution

The fourth proportional to 33,316.80, 45,977.67 and 18,979.80 is: 26,192.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,316.80 : 45,977.67 = 18,979.80 : x
  2. Step 2: Convert to fraction form
    33,316.80/45,977.67 = 18,979.80/x
  3. Step 3: Cross multiply
    33,316.80x = 45,977.67 × 18,979.80
  4. Step 4: Simplify right side
    33,316.80x = 872,646,981.07
  5. Step 5: Solve for x
    x = 872,646,981.07/33,316.80
  6. Step 6: Final answer
    x = 26,192.40

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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.