Home / 35,777.16-49,372.02-20,669.76

Finding the Fourth Proportional to 35,777.16, 49,372.02 and 20,669.76

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Solution

The fourth proportional to 35,777.16, 49,372.02 and 20,669.76 is: 28,524.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,777.16 : 49,372.02 = 20,669.76 : x
  2. Step 2: Convert to fraction form
    35,777.16/49,372.02 = 20,669.76/x
  3. Step 3: Cross multiply
    35,777.16x = 49,372.02 × 20,669.76
  4. Step 4: Simplify right side
    35,777.16x = 1,020,507,804.12
  5. Step 5: Solve for x
    x = 1,020,507,804.12/35,777.16
  6. Step 6: Final answer
    x = 28,524.00

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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.