Home / 46,677.80-69,995.64-13,390.31

Finding the Fourth Proportional to 46,677.80, 69,995.64 and 13,390.31

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Solution

The fourth proportional to 46,677.80, 69,995.64 and 13,390.31 is: 20,079.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,677.80 : 69,995.64 = 13,390.31 : x
  2. Step 2: Convert to fraction form
    46,677.80/69,995.64 = 13,390.31/x
  3. Step 3: Cross multiply
    46,677.80x = 69,995.64 × 13,390.31
  4. Step 4: Simplify right side
    46,677.80x = 937,263,318.25
  5. Step 5: Solve for x
    x = 937,263,318.25/46,677.80
  6. Step 6: Final answer
    x = 20,079.42

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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.