Home / 61,345.32-92,017.81-19,228.60

Finding the Fourth Proportional to 61,345.32, 92,017.81 and 19,228.60

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Solution

The fourth proportional to 61,345.32, 92,017.81 and 19,228.60 is: 28,842.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,345.32 : 92,017.81 = 19,228.60 : x
  2. Step 2: Convert to fraction form
    61,345.32/92,017.81 = 19,228.60/x
  3. Step 3: Cross multiply
    61,345.32x = 92,017.81 × 19,228.60
  4. Step 4: Simplify right side
    61,345.32x = 1,769,373,661.37
  5. Step 5: Solve for x
    x = 1,769,373,661.37/61,345.32
  6. Step 6: Final answer
    x = 28,842.85

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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.