Home / 56,230.92-84,355.02-18,779.40

Finding the Fourth Proportional to 56,230.92, 84,355.02 and 18,779.40

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Solution

The fourth proportional to 56,230.92, 84,355.02 and 18,779.40 is: 28,171.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,230.92 : 84,355.02 = 18,779.40 : x
  2. Step 2: Convert to fraction form
    56,230.92/84,355.02 = 18,779.40/x
  3. Step 3: Cross multiply
    56,230.92x = 84,355.02 × 18,779.40
  4. Step 4: Simplify right side
    56,230.92x = 1,584,136,662.59
  5. Step 5: Solve for x
    x = 1,584,136,662.59/56,230.92
  6. Step 6: Final answer
    x = 28,171.99

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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.