Home / 31,381.83-47,060.39-11,386.58

Finding the Fourth Proportional to 31,381.83, 47,060.39 and 11,386.58

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Solution

The fourth proportional to 31,381.83, 47,060.39 and 11,386.58 is: 17,075.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,381.83 : 47,060.39 = 11,386.58 : x
  2. Step 2: Convert to fraction form
    31,381.83/47,060.39 = 11,386.58/x
  3. Step 3: Cross multiply
    31,381.83x = 47,060.39 × 11,386.58
  4. Step 4: Simplify right side
    31,381.83x = 535,856,688.73
  5. Step 5: Solve for x
    x = 535,856,688.73/31,381.83
  6. Step 6: Final answer
    x = 17,075.38

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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.