Home / 42,006.04-57,968.34-23,143

Finding the Fourth Proportional to 42,006.04, 57,968.34 and 23,143

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Solution

The fourth proportional to 42,006.04, 57,968.34 and 23,143 is: 31,937.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,006.04 : 57,968.34 = 23,143 : x
  2. Step 2: Convert to fraction form
    42,006.04/57,968.34 = 23,143/x
  3. Step 3: Cross multiply
    42,006.04x = 57,968.34 × 23,143
  4. Step 4: Simplify right side
    42,006.04x = 1,341,561,292.62
  5. Step 5: Solve for x
    x = 1,341,561,292.62/42,006.04
  6. Step 6: Final answer
    x = 31,937.34

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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.