Home / 55,943.60-83,915.40-19,007.60

Finding the Fourth Proportional to 55,943.60, 83,915.40 and 19,007.60

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Solution

The fourth proportional to 55,943.60, 83,915.40 and 19,007.60 is: 28,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,943.60 : 83,915.40 = 19,007.60 : x
  2. Step 2: Convert to fraction form
    55,943.60/83,915.40 = 19,007.60/x
  3. Step 3: Cross multiply
    55,943.60x = 83,915.40 × 19,007.60
  4. Step 4: Simplify right side
    55,943.60x = 1,595,030,357.04
  5. Step 5: Solve for x
    x = 1,595,030,357.04/55,943.60
  6. Step 6: Final answer
    x = 28,511.40

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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.