Home / 42,016.45-57,985.52-23,153.58

Finding the Fourth Proportional to 42,016.45, 57,985.52 and 23,153.58

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Solution

The fourth proportional to 42,016.45, 57,985.52 and 23,153.58 is: 31,953.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,016.45 : 57,985.52 = 23,153.58 : x
  2. Step 2: Convert to fraction form
    42,016.45/57,985.52 = 23,153.58/x
  3. Step 3: Cross multiply
    42,016.45x = 57,985.52 × 23,153.58
  4. Step 4: Simplify right side
    42,016.45x = 1,342,572,376.16
  5. Step 5: Solve for x
    x = 1,342,572,376.16/42,016.45
  6. Step 6: Final answer
    x = 31,953.49

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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.