Home / 31,570.84-47,295.50-19,729.24

Finding the Fourth Proportional to 31,570.84, 47,295.50 and 19,729.24

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Solution

The fourth proportional to 31,570.84, 47,295.50 and 19,729.24 is: 29,555.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,570.84 : 47,295.50 = 19,729.24 : x
  2. Step 2: Convert to fraction form
    31,570.84/47,295.50 = 19,729.24/x
  3. Step 3: Cross multiply
    31,570.84x = 47,295.50 × 19,729.24
  4. Step 4: Simplify right side
    31,570.84x = 933,104,270.42
  5. Step 5: Solve for x
    x = 933,104,270.42/31,570.84
  6. Step 6: Final answer
    x = 29,555.89

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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.