Home / 45,585.40-68,387.70-19,276.60

Finding the Fourth Proportional to 45,585.40, 68,387.70 and 19,276.60

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Solution

The fourth proportional to 45,585.40, 68,387.70 and 19,276.60 is: 28,918.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,585.40 : 68,387.70 = 19,276.60 : x
  2. Step 2: Convert to fraction form
    45,585.40/68,387.70 = 19,276.60/x
  3. Step 3: Cross multiply
    45,585.40x = 68,387.70 × 19,276.60
  4. Step 4: Simplify right side
    45,585.40x = 1,318,282,337.82
  5. Step 5: Solve for x
    x = 1,318,282,337.82/45,585.40
  6. Step 6: Final answer
    x = 28,918.96

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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.