Home / 31,004.56-46,421.64-21,653.92

Finding the Fourth Proportional to 31,004.56, 46,421.64 and 21,653.92

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Solution

The fourth proportional to 31,004.56, 46,421.64 and 21,653.92 is: 32,421.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,004.56 : 46,421.64 = 21,653.92 : x
  2. Step 2: Convert to fraction form
    31,004.56/46,421.64 = 21,653.92/x
  3. Step 3: Cross multiply
    31,004.56x = 46,421.64 × 21,653.92
  4. Step 4: Simplify right side
    31,004.56x = 1,005,210,478.83
  5. Step 5: Solve for x
    x = 1,005,210,478.83/31,004.56
  6. Step 6: Final answer
    x = 32,421.38

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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.