Home / 58,155.34-87,177.60-18,684.75

Finding the Fourth Proportional to 58,155.34, 87,177.60 and 18,684.75

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Solution

The fourth proportional to 58,155.34, 87,177.60 and 18,684.75 is: 28,009.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,155.34 : 87,177.60 = 18,684.75 : x
  2. Step 2: Convert to fraction form
    58,155.34/87,177.60 = 18,684.75/x
  3. Step 3: Cross multiply
    58,155.34x = 87,177.60 × 18,684.75
  4. Step 4: Simplify right side
    58,155.34x = 1,628,891,661.60
  5. Step 5: Solve for x
    x = 1,628,891,661.60/58,155.34
  6. Step 6: Final answer
    x = 28,009.32

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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.