Home / 42,983.54-64,478.40-17,998.46

Finding the Fourth Proportional to 42,983.54, 64,478.40 and 17,998.46

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Solution

The fourth proportional to 42,983.54, 64,478.40 and 17,998.46 is: 26,998.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,983.54 : 64,478.40 = 17,998.46 : x
  2. Step 2: Convert to fraction form
    42,983.54/64,478.40 = 17,998.46/x
  3. Step 3: Cross multiply
    42,983.54x = 64,478.40 × 17,998.46
  4. Step 4: Simplify right side
    42,983.54x = 1,160,511,903.26
  5. Step 5: Solve for x
    x = 1,160,511,903.26/42,983.54
  6. Step 6: Final answer
    x = 26,998.98

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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.