Home / 31,133.40-46,700.10-28,727.70

Finding the Fourth Proportional to 31,133.40, 46,700.10 and 28,727.70

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Solution

The fourth proportional to 31,133.40, 46,700.10 and 28,727.70 is: 43,091.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,133.40 : 46,700.10 = 28,727.70 : x
  2. Step 2: Convert to fraction form
    31,133.40/46,700.10 = 28,727.70/x
  3. Step 3: Cross multiply
    31,133.40x = 46,700.10 × 28,727.70
  4. Step 4: Simplify right side
    31,133.40x = 1,341,586,462.77
  5. Step 5: Solve for x
    x = 1,341,586,462.77/31,133.40
  6. Step 6: Final answer
    x = 43,091.55

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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.