Home / 31,345.07-46,964.63-15,529.01

Finding the Fourth Proportional to 31,345.07, 46,964.63 and 15,529.01

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Solution

The fourth proportional to 31,345.07, 46,964.63 and 15,529.01 is: 23,267.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,345.07 : 46,964.63 = 15,529.01 : x
  2. Step 2: Convert to fraction form
    31,345.07/46,964.63 = 15,529.01/x
  3. Step 3: Cross multiply
    31,345.07x = 46,964.63 × 15,529.01
  4. Step 4: Simplify right side
    31,345.07x = 729,314,012.92
  5. Step 5: Solve for x
    x = 729,314,012.92/31,345.07
  6. Step 6: Final answer
    x = 23,267.27

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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.