Home / 31,523.80-47,285.70-31,305.10

Finding the Fourth Proportional to 31,523.80, 47,285.70 and 31,305.10

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Solution

The fourth proportional to 31,523.80, 47,285.70 and 31,305.10 is: 46,957.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,523.80 : 47,285.70 = 31,305.10 : x
  2. Step 2: Convert to fraction form
    31,523.80/47,285.70 = 31,305.10/x
  3. Step 3: Cross multiply
    31,523.80x = 47,285.70 × 31,305.10
  4. Step 4: Simplify right side
    31,523.80x = 1,480,283,567.07
  5. Step 5: Solve for x
    x = 1,480,283,567.07/31,523.80
  6. Step 6: Final answer
    x = 46,957.65

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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.