Home / 36,554.16-50,445.81-20,639.28

Finding the Fourth Proportional to 36,554.16, 50,445.81 and 20,639.28

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Solution

The fourth proportional to 36,554.16, 50,445.81 and 20,639.28 is: 28,482.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,554.16 : 50,445.81 = 20,639.28 : x
  2. Step 2: Convert to fraction form
    36,554.16/50,445.81 = 20,639.28/x
  3. Step 3: Cross multiply
    36,554.16x = 50,445.81 × 20,639.28
  4. Step 4: Simplify right side
    36,554.16x = 1,041,165,197.42
  5. Step 5: Solve for x
    x = 1,041,165,197.42/36,554.16
  6. Step 6: Final answer
    x = 28,482.81

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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.