Home / 46,349.09-69,470.09-21,336.70

Finding the Fourth Proportional to 46,349.09, 69,470.09 and 21,336.70

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Solution

The fourth proportional to 46,349.09, 69,470.09 and 21,336.70 is: 31,980.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,349.09 : 69,470.09 = 21,336.70 : x
  2. Step 2: Convert to fraction form
    46,349.09/69,470.09 = 21,336.70/x
  3. Step 3: Cross multiply
    46,349.09x = 69,470.09 × 21,336.70
  4. Step 4: Simplify right side
    46,349.09x = 1,482,262,015.27
  5. Step 5: Solve for x
    x = 1,482,262,015.27/46,349.09
  6. Step 6: Final answer
    x = 31,980.39

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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.