Home / 31,285.68-46,895.40-14,631.72

Finding the Fourth Proportional to 31,285.68, 46,895.40 and 14,631.72

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Solution

The fourth proportional to 31,285.68, 46,895.40 and 14,631.72 is: 21,932.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,285.68 : 46,895.40 = 14,631.72 : x
  2. Step 2: Convert to fraction form
    31,285.68/46,895.40 = 14,631.72/x
  3. Step 3: Cross multiply
    31,285.68x = 46,895.40 × 14,631.72
  4. Step 4: Simplify right side
    31,285.68x = 686,160,362.09
  5. Step 5: Solve for x
    x = 686,160,362.09/31,285.68
  6. Step 6: Final answer
    x = 21,932.09

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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.