Home / 35,686.09-49,246.76-19,771.57

Finding the Fourth Proportional to 35,686.09, 49,246.76 and 19,771.57

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Solution

The fourth proportional to 35,686.09, 49,246.76 and 19,771.57 is: 27,284.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,686.09 : 49,246.76 = 19,771.57 : x
  2. Step 2: Convert to fraction form
    35,686.09/49,246.76 = 19,771.57/x
  3. Step 3: Cross multiply
    35,686.09x = 49,246.76 × 19,771.57
  4. Step 4: Simplify right side
    35,686.09x = 973,685,417.52
  5. Step 5: Solve for x
    x = 973,685,417.52/35,686.09
  6. Step 6: Final answer
    x = 27,284.74

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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.