Home / 40,715.16-60,982.51-31,285.77

Finding the Fourth Proportional to 40,715.16, 60,982.51 and 31,285.77

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Solution

The fourth proportional to 40,715.16, 60,982.51 and 31,285.77 is: 46,859.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,715.16 : 60,982.51 = 31,285.77 : x
  2. Step 2: Convert to fraction form
    40,715.16/60,982.51 = 31,285.77/x
  3. Step 3: Cross multiply
    40,715.16x = 60,982.51 × 31,285.77
  4. Step 4: Simplify right side
    40,715.16x = 1,907,884,781.88
  5. Step 5: Solve for x
    x = 1,907,884,781.88/40,715.16
  6. Step 6: Final answer
    x = 46,859.32

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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.