Home / 30,985.21-46,426.74-17,848.63

Finding the Fourth Proportional to 30,985.21, 46,426.74 and 17,848.63

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Solution

The fourth proportional to 30,985.21, 46,426.74 and 17,848.63 is: 26,743.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,985.21 : 46,426.74 = 17,848.63 : x
  2. Step 2: Convert to fraction form
    30,985.21/46,426.74 = 17,848.63/x
  3. Step 3: Cross multiply
    30,985.21x = 46,426.74 × 17,848.63
  4. Step 4: Simplify right side
    30,985.21x = 828,653,704.37
  5. Step 5: Solve for x
    x = 828,653,704.37/30,985.21
  6. Step 6: Final answer
    x = 26,743.52

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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.