Home / 31,460.85-47,191.22-21,570.14

Finding the Fourth Proportional to 31,460.85, 47,191.22 and 21,570.14

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Solution

The fourth proportional to 31,460.85, 47,191.22 and 21,570.14 is: 32,355.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,460.85 : 47,191.22 = 21,570.14 : x
  2. Step 2: Convert to fraction form
    31,460.85/47,191.22 = 21,570.14/x
  3. Step 3: Cross multiply
    31,460.85x = 47,191.22 × 21,570.14
  4. Step 4: Simplify right side
    31,460.85x = 1,017,921,136.22
  5. Step 5: Solve for x
    x = 1,017,921,136.22/31,460.85
  6. Step 6: Final answer
    x = 32,355.17

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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.