Home / 45,655.90-68,482.63-20,677.93

Finding the Fourth Proportional to 45,655.90, 68,482.63 and 20,677.93

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Solution

The fourth proportional to 45,655.90, 68,482.63 and 20,677.93 is: 31,016.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,655.90 : 68,482.63 = 20,677.93 : x
  2. Step 2: Convert to fraction form
    45,655.90/68,482.63 = 20,677.93/x
  3. Step 3: Cross multiply
    45,655.90x = 68,482.63 × 20,677.93
  4. Step 4: Simplify right side
    45,655.90x = 1,416,078,806.45
  5. Step 5: Solve for x
    x = 1,416,078,806.45/45,655.90
  6. Step 6: Final answer
    x = 31,016.34

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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.