Home / 51,106.55-70,523.52-31,985.52

Finding the Fourth Proportional to 51,106.55, 70,523.52 and 31,985.52

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Solution

The fourth proportional to 51,106.55, 70,523.52 and 31,985.52 is: 44,137.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,106.55 : 70,523.52 = 31,985.52 : x
  2. Step 2: Convert to fraction form
    51,106.55/70,523.52 = 31,985.52/x
  3. Step 3: Cross multiply
    51,106.55x = 70,523.52 × 31,985.52
  4. Step 4: Simplify right side
    51,106.55x = 2,255,731,459.43
  5. Step 5: Solve for x
    x = 2,255,731,459.43/51,106.55
  6. Step 6: Final answer
    x = 44,137.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.