Home / 30,559.04-42,165.06-19,964.24

Finding the Fourth Proportional to 30,559.04, 42,165.06 and 19,964.24

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Solution

The fourth proportional to 30,559.04, 42,165.06 and 19,964.24 is: 27,546.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,559.04 : 42,165.06 = 19,964.24 : x
  2. Step 2: Convert to fraction form
    30,559.04/42,165.06 = 19,964.24/x
  3. Step 3: Cross multiply
    30,559.04x = 42,165.06 × 19,964.24
  4. Step 4: Simplify right side
    30,559.04x = 841,793,377.45
  5. Step 5: Solve for x
    x = 841,793,377.45/30,559.04
  6. Step 6: Final answer
    x = 27,546.46

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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.