Home / 43,030.35-59,388.30-30,970.71

Finding the Fourth Proportional to 43,030.35, 59,388.30 and 30,970.71

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Solution

The fourth proportional to 43,030.35, 59,388.30 and 30,970.71 is: 42,744.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,030.35 : 59,388.30 = 30,970.71 : x
  2. Step 2: Convert to fraction form
    43,030.35/59,388.30 = 30,970.71/x
  3. Step 3: Cross multiply
    43,030.35x = 59,388.30 × 30,970.71
  4. Step 4: Simplify right side
    43,030.35x = 1,839,297,816.69
  5. Step 5: Solve for x
    x = 1,839,297,816.69/43,030.35
  6. Step 6: Final answer
    x = 42,744.20

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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.