Home / 35,901.18-49,545-19,987.38

Finding the Fourth Proportional to 35,901.18, 49,545 and 19,987.38

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Solution

The fourth proportional to 35,901.18, 49,545 and 19,987.38 is: 27,583.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,901.18 : 49,545 = 19,987.38 : x
  2. Step 2: Convert to fraction form
    35,901.18/49,545 = 19,987.38/x
  3. Step 3: Cross multiply
    35,901.18x = 49,545 × 19,987.38
  4. Step 4: Simplify right side
    35,901.18x = 990,274,742.10
  5. Step 5: Solve for x
    x = 990,274,742.10/35,901.18
  6. Step 6: Final answer
    x = 27,583.35

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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.