Home / 52,285.02-78,427.79-12,842.14

Finding the Fourth Proportional to 52,285.02, 78,427.79 and 12,842.14

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Solution

The fourth proportional to 52,285.02, 78,427.79 and 12,842.14 is: 19,263.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,285.02 : 78,427.79 = 12,842.14 : x
  2. Step 2: Convert to fraction form
    52,285.02/78,427.79 = 12,842.14/x
  3. Step 3: Cross multiply
    52,285.02x = 78,427.79 × 12,842.14
  4. Step 4: Simplify right side
    52,285.02x = 1,007,180,659.07
  5. Step 5: Solve for x
    x = 1,007,180,659.07/52,285.02
  6. Step 6: Final answer
    x = 19,263.27

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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.