Home / 79,366.40-119,048.30-31,980.34

Finding the Fourth Proportional to 79,366.40, 119,048.30 and 31,980.34

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Solution

The fourth proportional to 79,366.40, 119,048.30 and 31,980.34 is: 47,969.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,366.40 : 119,048.30 = 31,980.34 : x
  2. Step 2: Convert to fraction form
    79,366.40/119,048.30 = 31,980.34/x
  3. Step 3: Cross multiply
    79,366.40x = 119,048.30 × 31,980.34
  4. Step 4: Simplify right side
    79,366.40x = 3,807,205,110.42
  5. Step 5: Solve for x
    x = 3,807,205,110.42/79,366.40
  6. Step 6: Final answer
    x = 47,969.99

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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.