Home / 42,844.50-64,308.30-20,673.45

Finding the Fourth Proportional to 42,844.50, 64,308.30 and 20,673.45

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Solution

The fourth proportional to 42,844.50, 64,308.30 and 20,673.45 is: 31,030.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,844.50 : 64,308.30 = 20,673.45 : x
  2. Step 2: Convert to fraction form
    42,844.50/64,308.30 = 20,673.45/x
  3. Step 3: Cross multiply
    42,844.50x = 64,308.30 × 20,673.45
  4. Step 4: Simplify right side
    42,844.50x = 1,329,474,424.64
  5. Step 5: Solve for x
    x = 1,329,474,424.64/42,844.50
  6. Step 6: Final answer
    x = 31,030.22

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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.