Home / 42,023.04-57,991.62-23,160.16

Finding the Fourth Proportional to 42,023.04, 57,991.62 and 23,160.16

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Solution

The fourth proportional to 42,023.04, 57,991.62 and 23,160.16 is: 31,960.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,023.04 : 57,991.62 = 23,160.16 : x
  2. Step 2: Convert to fraction form
    42,023.04/57,991.62 = 23,160.16/x
  3. Step 3: Cross multiply
    42,023.04x = 57,991.62 × 23,160.16
  4. Step 4: Simplify right side
    42,023.04x = 1,343,095,197.86
  5. Step 5: Solve for x
    x = 1,343,095,197.86/42,023.04
  6. Step 6: Final answer
    x = 31,960.92

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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.