Home / 40,285.92-60,430.08-19,228.20

Finding the Fourth Proportional to 40,285.92, 60,430.08 and 19,228.20

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Solution

The fourth proportional to 40,285.92, 60,430.08 and 19,228.20 is: 28,842.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,285.92 : 60,430.08 = 19,228.20 : x
  2. Step 2: Convert to fraction form
    40,285.92/60,430.08 = 19,228.20/x
  3. Step 3: Cross multiply
    40,285.92x = 60,430.08 × 19,228.20
  4. Step 4: Simplify right side
    40,285.92x = 1,161,961,664.26
  5. Step 5: Solve for x
    x = 1,161,961,664.26/40,285.92
  6. Step 6: Final answer
    x = 28,842.87

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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.