Home / 40,415.52-60,630.05-18,228.40

Finding the Fourth Proportional to 40,415.52, 60,630.05 and 18,228.40

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Solution

The fourth proportional to 40,415.52, 60,630.05 and 18,228.40 is: 27,345.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,415.52 : 60,630.05 = 18,228.40 : x
  2. Step 2: Convert to fraction form
    40,415.52/60,630.05 = 18,228.40/x
  3. Step 3: Cross multiply
    40,415.52x = 60,630.05 × 18,228.40
  4. Step 4: Simplify right side
    40,415.52x = 1,105,188,803.42
  5. Step 5: Solve for x
    x = 1,105,188,803.42/40,415.52
  6. Step 6: Final answer
    x = 27,345.65

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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.