Home / 31,032.58-46,511.88-21,621.64

Finding the Fourth Proportional to 31,032.58, 46,511.88 and 21,621.64

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Solution

The fourth proportional to 31,032.58, 46,511.88 and 21,621.64 is: 32,406.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,032.58 : 46,511.88 = 21,621.64 : x
  2. Step 2: Convert to fraction form
    31,032.58/46,511.88 = 21,621.64/x
  3. Step 3: Cross multiply
    31,032.58x = 46,511.88 × 21,621.64
  4. Step 4: Simplify right side
    31,032.58x = 1,005,663,125.08
  5. Step 5: Solve for x
    x = 1,005,663,125.08/31,032.58
  6. Step 6: Final answer
    x = 32,406.69

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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.