Home / 31,554.86-47,295.95-12,814.31

Finding the Fourth Proportional to 31,554.86, 47,295.95 and 12,814.31

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Solution

The fourth proportional to 31,554.86, 47,295.95 and 12,814.31 is: 19,206.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,554.86 : 47,295.95 = 12,814.31 : x
  2. Step 2: Convert to fraction form
    31,554.86/47,295.95 = 12,814.31/x
  3. Step 3: Cross multiply
    31,554.86x = 47,295.95 × 12,814.31
  4. Step 4: Simplify right side
    31,554.86x = 606,065,019.21
  5. Step 5: Solve for x
    x = 606,065,019.21/31,554.86
  6. Step 6: Final answer
    x = 19,206.71

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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.