Home / 46,649.16-69,970.86-18,946.44

Finding the Fourth Proportional to 46,649.16, 69,970.86 and 18,946.44

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Solution

The fourth proportional to 46,649.16, 69,970.86 and 18,946.44 is: 28,418.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,649.16 : 69,970.86 = 18,946.44 : x
  2. Step 2: Convert to fraction form
    46,649.16/69,970.86 = 18,946.44/x
  3. Step 3: Cross multiply
    46,649.16x = 69,970.86 × 18,946.44
  4. Step 4: Simplify right side
    46,649.16x = 1,325,698,700.74
  5. Step 5: Solve for x
    x = 1,325,698,700.74/46,649.16
  6. Step 6: Final answer
    x = 28,418.49

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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.