Home / 70,574.05-97,391.75-38,309.30

Finding the Fourth Proportional to 70,574.05, 97,391.75 and 38,309.30

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Solution

The fourth proportional to 70,574.05, 97,391.75 and 38,309.30 is: 52,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,574.05 : 97,391.75 = 38,309.30 : x
  2. Step 2: Convert to fraction form
    70,574.05/97,391.75 = 38,309.30/x
  3. Step 3: Cross multiply
    70,574.05x = 97,391.75 × 38,309.30
  4. Step 4: Simplify right side
    70,574.05x = 3,731,009,768.28
  5. Step 5: Solve for x
    x = 3,731,009,768.28/70,574.05
  6. Step 6: Final answer
    x = 52,866.60

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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.