Home / 35,655.24-49,209.63-20,550.15

Finding the Fourth Proportional to 35,655.24, 49,209.63 and 20,550.15

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Solution

The fourth proportional to 35,655.24, 49,209.63 and 20,550.15 is: 28,362.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,655.24 : 49,209.63 = 20,550.15 : x
  2. Step 2: Convert to fraction form
    35,655.24/49,209.63 = 20,550.15/x
  3. Step 3: Cross multiply
    35,655.24x = 49,209.63 × 20,550.15
  4. Step 4: Simplify right side
    35,655.24x = 1,011,265,277.94
  5. Step 5: Solve for x
    x = 1,011,265,277.94/35,655.24
  6. Step 6: Final answer
    x = 28,362.32

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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.