Home / 31,614.98-47,429.01-12,895.07

Finding the Fourth Proportional to 31,614.98, 47,429.01 and 12,895.07

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Solution

The fourth proportional to 31,614.98, 47,429.01 and 12,895.07 is: 19,345.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,614.98 : 47,429.01 = 12,895.07 : x
  2. Step 2: Convert to fraction form
    31,614.98/47,429.01 = 12,895.07/x
  3. Step 3: Cross multiply
    31,614.98x = 47,429.01 × 12,895.07
  4. Step 4: Simplify right side
    31,614.98x = 611,600,166.84
  5. Step 5: Solve for x
    x = 611,600,166.84/31,614.98
  6. Step 6: Final answer
    x = 19,345.27

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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.