Home / 45,435.18-68,153.40-14,270.46

Finding the Fourth Proportional to 45,435.18, 68,153.40 and 14,270.46

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Solution

The fourth proportional to 45,435.18, 68,153.40 and 14,270.46 is: 21,405.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,435.18 : 68,153.40 = 14,270.46 : x
  2. Step 2: Convert to fraction form
    45,435.18/68,153.40 = 14,270.46/x
  3. Step 3: Cross multiply
    45,435.18x = 68,153.40 × 14,270.46
  4. Step 4: Simplify right side
    45,435.18x = 972,580,368.56
  5. Step 5: Solve for x
    x = 972,580,368.56/45,435.18
  6. Step 6: Final answer
    x = 21,405.89

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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.