Home / 31,335.93-47,014.83-13,807.26

Finding the Fourth Proportional to 31,335.93, 47,014.83 and 13,807.26

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Solution

The fourth proportional to 31,335.93, 47,014.83 and 13,807.26 is: 20,715.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,335.93 : 47,014.83 = 13,807.26 : x
  2. Step 2: Convert to fraction form
    31,335.93/47,014.83 = 13,807.26/x
  3. Step 3: Cross multiply
    31,335.93x = 47,014.83 × 13,807.26
  4. Step 4: Simplify right side
    31,335.93x = 649,145,981.67
  5. Step 5: Solve for x
    x = 649,145,981.67/31,335.93
  6. Step 6: Final answer
    x = 20,715.71

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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.