Home / 34,233.60-47,242.04-19,128.86

Finding the Fourth Proportional to 34,233.60, 47,242.04 and 19,128.86

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Solution

The fourth proportional to 34,233.60, 47,242.04 and 19,128.86 is: 26,397.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,233.60 : 47,242.04 = 19,128.86 : x
  2. Step 2: Convert to fraction form
    34,233.60/47,242.04 = 19,128.86/x
  3. Step 3: Cross multiply
    34,233.60x = 47,242.04 × 19,128.86
  4. Step 4: Simplify right side
    34,233.60x = 903,686,273.63
  5. Step 5: Solve for x
    x = 903,686,273.63/34,233.60
  6. Step 6: Final answer
    x = 26,397.64

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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.