Home / 39,848.18-59,780.14-11,768.72

Finding the Fourth Proportional to 39,848.18, 59,780.14 and 11,768.72

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Solution

The fourth proportional to 39,848.18, 59,780.14 and 11,768.72 is: 17,655.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,848.18 : 59,780.14 = 11,768.72 : x
  2. Step 2: Convert to fraction form
    39,848.18/59,780.14 = 11,768.72/x
  3. Step 3: Cross multiply
    39,848.18x = 59,780.14 × 11,768.72
  4. Step 4: Simplify right side
    39,848.18x = 703,535,729.22
  5. Step 5: Solve for x
    x = 703,535,729.22/39,848.18
  6. Step 6: Final answer
    x = 17,655.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.