Home / 55,355.79-83,018.31-15,365.58

Finding the Fourth Proportional to 55,355.79, 83,018.31 and 15,365.58

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Solution

The fourth proportional to 55,355.79, 83,018.31 and 15,365.58 is: 23,044.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,355.79 : 83,018.31 = 15,365.58 : x
  2. Step 2: Convert to fraction form
    55,355.79/83,018.31 = 15,365.58/x
  3. Step 3: Cross multiply
    55,355.79x = 83,018.31 × 15,365.58
  4. Step 4: Simplify right side
    55,355.79x = 1,275,624,483.77
  5. Step 5: Solve for x
    x = 1,275,624,483.77/55,355.79
  6. Step 6: Final answer
    x = 23,044.10

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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.