Home / 35,915.94-49,560.81-20,803.77

Finding the Fourth Proportional to 35,915.94, 49,560.81 and 20,803.77

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Solution

The fourth proportional to 35,915.94, 49,560.81 and 20,803.77 is: 28,707.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,915.94 : 49,560.81 = 20,803.77 : x
  2. Step 2: Convert to fraction form
    35,915.94/49,560.81 = 20,803.77/x
  3. Step 3: Cross multiply
    35,915.94x = 49,560.81 × 20,803.77
  4. Step 4: Simplify right side
    35,915.94x = 1,031,051,692.25
  5. Step 5: Solve for x
    x = 1,031,051,692.25/35,915.94
  6. Step 6: Final answer
    x = 28,707.36

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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.