Home / 30,374.48-45,586.02-12,856.52

Finding the Fourth Proportional to 30,374.48, 45,586.02 and 12,856.52

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Solution

The fourth proportional to 30,374.48, 45,586.02 and 12,856.52 is: 19,295.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,374.48 : 45,586.02 = 12,856.52 : x
  2. Step 2: Convert to fraction form
    30,374.48/45,586.02 = 12,856.52/x
  3. Step 3: Cross multiply
    30,374.48x = 45,586.02 × 12,856.52
  4. Step 4: Simplify right side
    30,374.48x = 586,077,577.85
  5. Step 5: Solve for x
    x = 586,077,577.85/30,374.48
  6. Step 6: Final answer
    x = 19,295.07

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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.