Home / 45,820.64-68,669.40-19,518.32

Finding the Fourth Proportional to 45,820.64, 68,669.40 and 19,518.32

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Solution

The fourth proportional to 45,820.64, 68,669.40 and 19,518.32 is: 29,251.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,820.64 : 68,669.40 = 19,518.32 : x
  2. Step 2: Convert to fraction form
    45,820.64/68,669.40 = 19,518.32/x
  3. Step 3: Cross multiply
    45,820.64x = 68,669.40 × 19,518.32
  4. Step 4: Simplify right side
    45,820.64x = 1,340,311,323.41
  5. Step 5: Solve for x
    x = 1,340,311,323.41/45,820.64
  6. Step 6: Final answer
    x = 29,251.26

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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.