Home / 31,349.46-47,031.37-13,583.07

Finding the Fourth Proportional to 31,349.46, 47,031.37 and 13,583.07

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Solution

The fourth proportional to 31,349.46, 47,031.37 and 13,583.07 is: 20,377.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,349.46 : 47,031.37 = 13,583.07 : x
  2. Step 2: Convert to fraction form
    31,349.46/47,031.37 = 13,583.07/x
  3. Step 3: Cross multiply
    31,349.46x = 47,031.37 × 13,583.07
  4. Step 4: Simplify right side
    31,349.46x = 638,830,440.57
  5. Step 5: Solve for x
    x = 638,830,440.57/31,349.46
  6. Step 6: Final answer
    x = 20,377.72

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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.