Home / 31,070.25-46,607.40-8,885.43

Finding the Fourth Proportional to 31,070.25, 46,607.40 and 8,885.43

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Solution

The fourth proportional to 31,070.25, 46,607.40 and 8,885.43 is: 13,328.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,070.25 : 46,607.40 = 8,885.43 : x
  2. Step 2: Convert to fraction form
    31,070.25/46,607.40 = 8,885.43/x
  3. Step 3: Cross multiply
    31,070.25x = 46,607.40 × 8,885.43
  4. Step 4: Simplify right side
    31,070.25x = 414,126,790.18
  5. Step 5: Solve for x
    x = 414,126,790.18/31,070.25
  6. Step 6: Final answer
    x = 13,328.72

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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.