Home / 57,316.80-79,022.28-41,405.16

Finding the Fourth Proportional to 57,316.80, 79,022.28 and 41,405.16

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Solution

The fourth proportional to 57,316.80, 79,022.28 and 41,405.16 is: 57,085.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,316.80 : 79,022.28 = 41,405.16 : x
  2. Step 2: Convert to fraction form
    57,316.80/79,022.28 = 41,405.16/x
  3. Step 3: Cross multiply
    57,316.80x = 79,022.28 × 41,405.16
  4. Step 4: Simplify right side
    57,316.80x = 3,271,930,146.96
  5. Step 5: Solve for x
    x = 3,271,930,146.96/57,316.80
  6. Step 6: Final answer
    x = 57,085.01

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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.