Home / 56,488.28-84,673.30-19,035.40

Finding the Fourth Proportional to 56,488.28, 84,673.30 and 19,035.40

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Solution

The fourth proportional to 56,488.28, 84,673.30 and 19,035.40 is: 28,533.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,488.28 : 84,673.30 = 19,035.40 : x
  2. Step 2: Convert to fraction form
    56,488.28/84,673.30 = 19,035.40/x
  3. Step 3: Cross multiply
    56,488.28x = 84,673.30 × 19,035.40
  4. Step 4: Simplify right side
    56,488.28x = 1,611,790,134.82
  5. Step 5: Solve for x
    x = 1,611,790,134.82/56,488.28
  6. Step 6: Final answer
    x = 28,533.18

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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.