Home / 35,620.61-49,156.91-20,515.92

Finding the Fourth Proportional to 35,620.61, 49,156.91 and 20,515.92

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Solution

The fourth proportional to 35,620.61, 49,156.91 and 20,515.92 is: 28,312.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,620.61 : 49,156.91 = 20,515.92 : x
  2. Step 2: Convert to fraction form
    35,620.61/49,156.91 = 20,515.92/x
  3. Step 3: Cross multiply
    35,620.61x = 49,156.91 × 20,515.92
  4. Step 4: Simplify right side
    35,620.61x = 1,008,499,130.43
  5. Step 5: Solve for x
    x = 1,008,499,130.43/35,620.61
  6. Step 6: Final answer
    x = 28,312.24

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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.