Home / 42,152.09-58,169.19-23,031.45

Finding the Fourth Proportional to 42,152.09, 58,169.19 and 23,031.45

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Solution

The fourth proportional to 42,152.09, 58,169.19 and 23,031.45 is: 31,783.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,152.09 : 58,169.19 = 23,031.45 : x
  2. Step 2: Convert to fraction form
    42,152.09/58,169.19 = 23,031.45/x
  3. Step 3: Cross multiply
    42,152.09x = 58,169.19 × 23,031.45
  4. Step 4: Simplify right side
    42,152.09x = 1,339,720,791.03
  5. Step 5: Solve for x
    x = 1,339,720,791.03/42,152.09
  6. Step 6: Final answer
    x = 31,783.03

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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.