Home / 31,330.83-47,006.01-10,271.07

Finding the Fourth Proportional to 31,330.83, 47,006.01 and 10,271.07

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Solution

The fourth proportional to 31,330.83, 47,006.01 and 10,271.07 is: 15,409.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,330.83 : 47,006.01 = 10,271.07 : x
  2. Step 2: Convert to fraction form
    31,330.83/47,006.01 = 10,271.07/x
  3. Step 3: Cross multiply
    31,330.83x = 47,006.01 × 10,271.07
  4. Step 4: Simplify right side
    31,330.83x = 482,802,019.13
  5. Step 5: Solve for x
    x = 482,802,019.13/31,330.83
  6. Step 6: Final answer
    x = 15,409.81

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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.