Home / 42,007.04-57,969.72-23,144

Finding the Fourth Proportional to 42,007.04, 57,969.72 and 23,144

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Solution

The fourth proportional to 42,007.04, 57,969.72 and 23,144 is: 31,938.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,007.04 : 57,969.72 = 23,144 : x
  2. Step 2: Convert to fraction form
    42,007.04/57,969.72 = 23,144/x
  3. Step 3: Cross multiply
    42,007.04x = 57,969.72 × 23,144
  4. Step 4: Simplify right side
    42,007.04x = 1,341,651,199.68
  5. Step 5: Solve for x
    x = 1,341,651,199.68/42,007.04
  6. Step 6: Final answer
    x = 31,938.72

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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.