Home / 45,822.64-68,672.40-19,520.32

Finding the Fourth Proportional to 45,822.64, 68,672.40 and 19,520.32

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Solution

The fourth proportional to 45,822.64, 68,672.40 and 19,520.32 is: 29,254.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,822.64 : 68,672.40 = 19,520.32 : x
  2. Step 2: Convert to fraction form
    45,822.64/68,672.40 = 19,520.32/x
  3. Step 3: Cross multiply
    45,822.64x = 68,672.40 × 19,520.32
  4. Step 4: Simplify right side
    45,822.64x = 1,340,507,223.17
  5. Step 5: Solve for x
    x = 1,340,507,223.17/45,822.64
  6. Step 6: Final answer
    x = 29,254.26

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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.