Home / 56,384.28-84,586.08-18,947.88

Finding the Fourth Proportional to 56,384.28, 84,586.08 and 18,947.88

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Solution

The fourth proportional to 56,384.28, 84,586.08 and 18,947.88 is: 28,425.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,384.28 : 84,586.08 = 18,947.88 : x
  2. Step 2: Convert to fraction form
    56,384.28/84,586.08 = 18,947.88/x
  3. Step 3: Cross multiply
    56,384.28x = 84,586.08 × 18,947.88
  4. Step 4: Simplify right side
    56,384.28x = 1,602,726,893.51
  5. Step 5: Solve for x
    x = 1,602,726,893.51/56,384.28
  6. Step 6: Final answer
    x = 28,425.07

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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.