Home / 50,783.85-70,088.76-31,674.78

Finding the Fourth Proportional to 50,783.85, 70,088.76 and 31,674.78

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Solution

The fourth proportional to 50,783.85, 70,088.76 and 31,674.78 is: 43,715.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,783.85 : 70,088.76 = 31,674.78 : x
  2. Step 2: Convert to fraction form
    50,783.85/70,088.76 = 31,674.78/x
  3. Step 3: Cross multiply
    50,783.85x = 70,088.76 × 31,674.78
  4. Step 4: Simplify right side
    50,783.85x = 2,220,046,053.47
  5. Step 5: Solve for x
    x = 2,220,046,053.47/50,783.85
  6. Step 6: Final answer
    x = 43,715.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.