Home / 57,210.12-85,839.48-30,884.22

Finding the Fourth Proportional to 57,210.12, 85,839.48 and 30,884.22

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Solution

The fourth proportional to 57,210.12, 85,839.48 and 30,884.22 is: 46,339.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,210.12 : 85,839.48 = 30,884.22 : x
  2. Step 2: Convert to fraction form
    57,210.12/85,839.48 = 30,884.22/x
  3. Step 3: Cross multiply
    57,210.12x = 85,839.48 × 30,884.22
  4. Step 4: Simplify right side
    57,210.12x = 2,651,085,385.01
  5. Step 5: Solve for x
    x = 2,651,085,385.01/57,210.12
  6. Step 6: Final answer
    x = 46,339.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.