Home / 46,439.12-69,683.29-20,162.32

Finding the Fourth Proportional to 46,439.12, 69,683.29 and 20,162.32

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Solution

The fourth proportional to 46,439.12, 69,683.29 and 20,162.32 is: 30,254.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,439.12 : 69,683.29 = 20,162.32 : x
  2. Step 2: Convert to fraction form
    46,439.12/69,683.29 = 20,162.32/x
  3. Step 3: Cross multiply
    46,439.12x = 69,683.29 × 20,162.32
  4. Step 4: Simplify right side
    46,439.12x = 1,404,976,567.02
  5. Step 5: Solve for x
    x = 1,404,976,567.02/46,439.12
  6. Step 6: Final answer
    x = 30,254.16

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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.