Home / 35,570.16-53,361.72-12,191.40

Finding the Fourth Proportional to 35,570.16, 53,361.72 and 12,191.40

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Solution

The fourth proportional to 35,570.16, 53,361.72 and 12,191.40 is: 18,289.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,570.16 : 53,361.72 = 12,191.40 : x
  2. Step 2: Convert to fraction form
    35,570.16/53,361.72 = 12,191.40/x
  3. Step 3: Cross multiply
    35,570.16x = 53,361.72 × 12,191.40
  4. Step 4: Simplify right side
    35,570.16x = 650,554,073.21
  5. Step 5: Solve for x
    x = 650,554,073.21/35,570.16
  6. Step 6: Final answer
    x = 18,289.32

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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.