Home / 31,047.07-46,345.20-28,734.19

Finding the Fourth Proportional to 31,047.07, 46,345.20 and 28,734.19

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Solution

The fourth proportional to 31,047.07, 46,345.20 and 28,734.19 is: 42,892.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,047.07 : 46,345.20 = 28,734.19 : x
  2. Step 2: Convert to fraction form
    31,047.07/46,345.20 = 28,734.19/x
  3. Step 3: Cross multiply
    31,047.07x = 46,345.20 × 28,734.19
  4. Step 4: Simplify right side
    31,047.07x = 1,331,691,782.39
  5. Step 5: Solve for x
    x = 1,331,691,782.39/31,047.07
  6. Step 6: Final answer
    x = 42,892.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.