Home / 52,284.90-78,427.60-12,842.02

Finding the Fourth Proportional to 52,284.90, 78,427.60 and 12,842.02

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Solution

The fourth proportional to 52,284.90, 78,427.60 and 12,842.02 is: 19,263.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,284.90 : 78,427.60 = 12,842.02 : x
  2. Step 2: Convert to fraction form
    52,284.90/78,427.60 = 12,842.02/x
  3. Step 3: Cross multiply
    52,284.90x = 78,427.60 × 12,842.02
  4. Step 4: Simplify right side
    52,284.90x = 1,007,168,807.75
  5. Step 5: Solve for x
    x = 1,007,168,807.75/52,284.90
  6. Step 6: Final answer
    x = 19,263.09

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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.