Home / 46,678.30-69,996.39-13,390.81

Finding the Fourth Proportional to 46,678.30, 69,996.39 and 13,390.81

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Solution

The fourth proportional to 46,678.30, 69,996.39 and 13,390.81 is: 20,080.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,678.30 : 69,996.39 = 13,390.81 : x
  2. Step 2: Convert to fraction form
    46,678.30/69,996.39 = 13,390.81/x
  3. Step 3: Cross multiply
    46,678.30x = 69,996.39 × 13,390.81
  4. Step 4: Simplify right side
    46,678.30x = 937,308,359.18
  5. Step 5: Solve for x
    x = 937,308,359.18/46,678.30
  6. Step 6: Final answer
    x = 20,080.17

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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.