Home / 30,777.77-46,253.21-18,300.02

Finding the Fourth Proportional to 30,777.77, 46,253.21 and 18,300.02

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Solution

The fourth proportional to 30,777.77, 46,253.21 and 18,300.02 is: 27,501.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,777.77 : 46,253.21 = 18,300.02 : x
  2. Step 2: Convert to fraction form
    30,777.77/46,253.21 = 18,300.02/x
  3. Step 3: Cross multiply
    30,777.77x = 46,253.21 × 18,300.02
  4. Step 4: Simplify right side
    30,777.77x = 846,434,482.55
  5. Step 5: Solve for x
    x = 846,434,482.55/30,777.77
  6. Step 6: Final answer
    x = 27,501.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.