Home / 36,445.09-50,294.51-20,528.05

Finding the Fourth Proportional to 36,445.09, 50,294.51 and 20,528.05

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Solution

The fourth proportional to 36,445.09, 50,294.51 and 20,528.05 is: 28,328.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,445.09 : 50,294.51 = 20,528.05 : x
  2. Step 2: Convert to fraction form
    36,445.09/50,294.51 = 20,528.05/x
  3. Step 3: Cross multiply
    36,445.09x = 50,294.51 × 20,528.05
  4. Step 4: Simplify right side
    36,445.09x = 1,032,448,216.01
  5. Step 5: Solve for x
    x = 1,032,448,216.01/36,445.09
  6. Step 6: Final answer
    x = 28,328.87

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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.