Home / 59,877.15-89,815.71-20,434.26

Finding the Fourth Proportional to 59,877.15, 89,815.71 and 20,434.26

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Solution

The fourth proportional to 59,877.15, 89,815.71 and 20,434.26 is: 30,651.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,877.15 : 89,815.71 = 20,434.26 : x
  2. Step 2: Convert to fraction form
    59,877.15/89,815.71 = 20,434.26/x
  3. Step 3: Cross multiply
    59,877.15x = 89,815.71 × 20,434.26
  4. Step 4: Simplify right side
    59,877.15x = 1,835,317,570.22
  5. Step 5: Solve for x
    x = 1,835,317,570.22/59,877.15
  6. Step 6: Final answer
    x = 30,651.38

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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.