Home / 51,311.90-70,826.55-30,099.74

Finding the Fourth Proportional to 51,311.90, 70,826.55 and 30,099.74

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Solution

The fourth proportional to 51,311.90, 70,826.55 and 30,099.74 is: 41,547.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,311.90 : 70,826.55 = 30,099.74 : x
  2. Step 2: Convert to fraction form
    51,311.90/70,826.55 = 30,099.74/x
  3. Step 3: Cross multiply
    51,311.90x = 70,826.55 × 30,099.74
  4. Step 4: Simplify right side
    51,311.90x = 2,131,860,740.10
  5. Step 5: Solve for x
    x = 2,131,860,740.10/51,311.90
  6. Step 6: Final answer
    x = 41,547.10

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1.5x scale

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.