Home / 70,317.09-97,037.79-38,488.05

Finding the Fourth Proportional to 70,317.09, 97,037.79 and 38,488.05

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Solution

The fourth proportional to 70,317.09, 97,037.79 and 38,488.05 is: 53,113.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,317.09 : 97,037.79 = 38,488.05 : x
  2. Step 2: Convert to fraction form
    70,317.09/97,037.79 = 38,488.05/x
  3. Step 3: Cross multiply
    70,317.09x = 97,037.79 × 38,488.05
  4. Step 4: Simplify right side
    70,317.09x = 3,734,795,313.41
  5. Step 5: Solve for x
    x = 3,734,795,313.41/70,317.09
  6. Step 6: Final answer
    x = 53,113.62

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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.