Home / 42,203.79-58,239.05-23,079.85

Finding the Fourth Proportional to 42,203.79, 58,239.05 and 23,079.85

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Solution

The fourth proportional to 42,203.79, 58,239.05 and 23,079.85 is: 31,848.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,203.79 : 58,239.05 = 23,079.85 : x
  2. Step 2: Convert to fraction form
    42,203.79/58,239.05 = 23,079.85/x
  3. Step 3: Cross multiply
    42,203.79x = 58,239.05 × 23,079.85
  4. Step 4: Simplify right side
    42,203.79x = 1,344,148,277.15
  5. Step 5: Solve for x
    x = 1,344,148,277.15/42,203.79
  6. Step 6: Final answer
    x = 31,848.99

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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.