Home / 30,840.08-46,261.76-9,781.72

Finding the Fourth Proportional to 30,840.08, 46,261.76 and 9,781.72

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Solution

The fourth proportional to 30,840.08, 46,261.76 and 9,781.72 is: 14,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,840.08 : 46,261.76 = 9,781.72 : x
  2. Step 2: Convert to fraction form
    30,840.08/46,261.76 = 9,781.72/x
  3. Step 3: Cross multiply
    30,840.08x = 46,261.76 × 9,781.72
  4. Step 4: Simplify right side
    30,840.08x = 452,519,491.83
  5. Step 5: Solve for x
    x = 452,519,491.83/30,840.08
  6. Step 6: Final answer
    x = 14,673.10

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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.