Home / 51,827.08-77,740.37-20,240.35

Finding the Fourth Proportional to 51,827.08, 77,740.37 and 20,240.35

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Solution

The fourth proportional to 51,827.08, 77,740.37 and 20,240.35 is: 30,360.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,827.08 : 77,740.37 = 20,240.35 : x
  2. Step 2: Convert to fraction form
    51,827.08/77,740.37 = 20,240.35/x
  3. Step 3: Cross multiply
    51,827.08x = 77,740.37 × 20,240.35
  4. Step 4: Simplify right side
    51,827.08x = 1,573,492,002.38
  5. Step 5: Solve for x
    x = 1,573,492,002.38/51,827.08
  6. Step 6: Final answer
    x = 30,360.42

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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.