Home / 31,337.19-47,018.09-13,794.72

Finding the Fourth Proportional to 31,337.19, 47,018.09 and 13,794.72

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Solution

The fourth proportional to 31,337.19, 47,018.09 and 13,794.72 is: 20,697.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,337.19 : 47,018.09 = 13,794.72 : x
  2. Step 2: Convert to fraction form
    31,337.19/47,018.09 = 13,794.72/x
  3. Step 3: Cross multiply
    31,337.19x = 47,018.09 × 13,794.72
  4. Step 4: Simplify right side
    31,337.19x = 648,601,386.48
  5. Step 5: Solve for x
    x = 648,601,386.48/31,337.19
  6. Step 6: Final answer
    x = 20,697.50

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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.