Home / 42,781.56-59,038.68-23,918.68

Finding the Fourth Proportional to 42,781.56, 59,038.68 and 23,918.68

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Solution

The fourth proportional to 42,781.56, 59,038.68 and 23,918.68 is: 33,007.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,781.56 : 59,038.68 = 23,918.68 : x
  2. Step 2: Convert to fraction form
    42,781.56/59,038.68 = 23,918.68/x
  3. Step 3: Cross multiply
    42,781.56x = 59,038.68 × 23,918.68
  4. Step 4: Simplify right side
    42,781.56x = 1,412,127,294.54
  5. Step 5: Solve for x
    x = 1,412,127,294.54/42,781.56
  6. Step 6: Final answer
    x = 33,007.85

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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.