Home / 42,327.48-58,435.02-27,987.96

Finding the Fourth Proportional to 42,327.48, 58,435.02 and 27,987.96

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Solution

The fourth proportional to 42,327.48, 58,435.02 and 27,987.96 is: 38,638.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,327.48 : 58,435.02 = 27,987.96 : x
  2. Step 2: Convert to fraction form
    42,327.48/58,435.02 = 27,987.96/x
  3. Step 3: Cross multiply
    42,327.48x = 58,435.02 × 27,987.96
  4. Step 4: Simplify right side
    42,327.48x = 1,635,477,002.36
  5. Step 5: Solve for x
    x = 1,635,477,002.36/42,327.48
  6. Step 6: Final answer
    x = 38,638.66

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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.