Home / 31,822.81-47,711.49-14,946.40

Finding the Fourth Proportional to 31,822.81, 47,711.49 and 14,946.40

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Solution

The fourth proportional to 31,822.81, 47,711.49 and 14,946.40 is: 22,408.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,822.81 : 47,711.49 = 14,946.40 : x
  2. Step 2: Convert to fraction form
    31,822.81/47,711.49 = 14,946.40/x
  3. Step 3: Cross multiply
    31,822.81x = 47,711.49 × 14,946.40
  4. Step 4: Simplify right side
    31,822.81x = 713,115,014.14
  5. Step 5: Solve for x
    x = 713,115,014.14/31,822.81
  6. Step 6: Final answer
    x = 22,408.93

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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.