Home / 35,915.67-49,560.45-20,803.50

Finding the Fourth Proportional to 35,915.67, 49,560.45 and 20,803.50

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Solution

The fourth proportional to 35,915.67, 49,560.45 and 20,803.50 is: 28,706.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,915.67 : 49,560.45 = 20,803.50 : x
  2. Step 2: Convert to fraction form
    35,915.67/49,560.45 = 20,803.50/x
  3. Step 3: Cross multiply
    35,915.67x = 49,560.45 × 20,803.50
  4. Step 4: Simplify right side
    35,915.67x = 1,031,030,821.58
  5. Step 5: Solve for x
    x = 1,031,030,821.58/35,915.67
  6. Step 6: Final answer
    x = 28,706.99

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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.