Home / 39,117.21-58,654.62-13,804.05

Finding the Fourth Proportional to 39,117.21, 58,654.62 and 13,804.05

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Solution

The fourth proportional to 39,117.21, 58,654.62 and 13,804.05 is: 20,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,117.21 : 58,654.62 = 13,804.05 : x
  2. Step 2: Convert to fraction form
    39,117.21/58,654.62 = 13,804.05/x
  3. Step 3: Cross multiply
    39,117.21x = 58,654.62 × 13,804.05
  4. Step 4: Simplify right side
    39,117.21x = 809,671,307.21
  5. Step 5: Solve for x
    x = 809,671,307.21/39,117.21
  6. Step 6: Final answer
    x = 20,698.60

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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.