Home / 30,847.80-46,247.40-13,303.20

Finding the Fourth Proportional to 30,847.80, 46,247.40 and 13,303.20

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Solution

The fourth proportional to 30,847.80, 46,247.40 and 13,303.20 is: 19,944.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,847.80 : 46,247.40 = 13,303.20 : x
  2. Step 2: Convert to fraction form
    30,847.80/46,247.40 = 13,303.20/x
  3. Step 3: Cross multiply
    30,847.80x = 46,247.40 × 13,303.20
  4. Step 4: Simplify right side
    30,847.80x = 615,238,411.68
  5. Step 5: Solve for x
    x = 615,238,411.68/30,847.80
  6. Step 6: Final answer
    x = 19,944.32

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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.