Home / 35,655.30-49,188.86-21,500.28

Finding the Fourth Proportional to 35,655.30, 49,188.86 and 21,500.28

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Solution

The fourth proportional to 35,655.30, 49,188.86 and 21,500.28 is: 29,661.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,655.30 : 49,188.86 = 21,500.28 : x
  2. Step 2: Convert to fraction form
    35,655.30/49,188.86 = 21,500.28/x
  3. Step 3: Cross multiply
    35,655.30x = 49,188.86 × 21,500.28
  4. Step 4: Simplify right side
    35,655.30x = 1,057,574,155.38
  5. Step 5: Solve for x
    x = 1,057,574,155.38/35,655.30
  6. Step 6: Final answer
    x = 29,661.06

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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.