Home / 51,431.58-70,946.98-29,918.90

Finding the Fourth Proportional to 51,431.58, 70,946.98 and 29,918.90

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Solution

The fourth proportional to 51,431.58, 70,946.98 and 29,918.90 is: 41,271.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,431.58 : 70,946.98 = 29,918.90 : x
  2. Step 2: Convert to fraction form
    51,431.58/70,946.98 = 29,918.90/x
  3. Step 3: Cross multiply
    51,431.58x = 70,946.98 × 29,918.90
  4. Step 4: Simplify right side
    51,431.58x = 2,122,655,599.92
  5. Step 5: Solve for x
    x = 2,122,655,599.92/51,431.58
  6. Step 6: Final answer
    x = 41,271.44

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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.