Home / 35,777.16-49,369.95-19,860.30

Finding the Fourth Proportional to 35,777.16, 49,369.95 and 19,860.30

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Solution

The fourth proportional to 35,777.16, 49,369.95 and 19,860.30 is: 27,405.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,777.16 : 49,369.95 = 19,860.30 : x
  2. Step 2: Convert to fraction form
    35,777.16/49,369.95 = 19,860.30/x
  3. Step 3: Cross multiply
    35,777.16x = 49,369.95 × 19,860.30
  4. Step 4: Simplify right side
    35,777.16x = 980,502,017.99
  5. Step 5: Solve for x
    x = 980,502,017.99/35,777.16
  6. Step 6: Final answer
    x = 27,405.81

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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.