Home / 42,108.63-58,119.68-27,771.05

Finding the Fourth Proportional to 42,108.63, 58,119.68 and 27,771.05

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Solution

The fourth proportional to 42,108.63, 58,119.68 and 27,771.05 is: 38,330.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,108.63 : 58,119.68 = 27,771.05 : x
  2. Step 2: Convert to fraction form
    42,108.63/58,119.68 = 27,771.05/x
  3. Step 3: Cross multiply
    42,108.63x = 58,119.68 × 27,771.05
  4. Step 4: Simplify right side
    42,108.63x = 1,614,044,109.81
  5. Step 5: Solve for x
    x = 1,614,044,109.81/42,108.63
  6. Step 6: Final answer
    x = 38,330.48

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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.