Home / 35,686.76-49,248.14-19,771.47

Finding the Fourth Proportional to 35,686.76, 49,248.14 and 19,771.47

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Solution

The fourth proportional to 35,686.76, 49,248.14 and 19,771.47 is: 27,284.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,686.76 : 49,248.14 = 19,771.47 : x
  2. Step 2: Convert to fraction form
    35,686.76/49,248.14 = 19,771.47/x
  3. Step 3: Cross multiply
    35,686.76x = 49,248.14 × 19,771.47
  4. Step 4: Simplify right side
    35,686.76x = 973,708,023.71
  5. Step 5: Solve for x
    x = 973,708,023.71/35,686.76
  6. Step 6: Final answer
    x = 27,284.86

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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.