Home / 39,128.04-58,678.11-14,161.59

Finding the Fourth Proportional to 39,128.04, 58,678.11 and 14,161.59

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Solution

The fourth proportional to 39,128.04, 58,678.11 and 14,161.59 is: 21,237.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,128.04 : 58,678.11 = 14,161.59 : x
  2. Step 2: Convert to fraction form
    39,128.04/58,678.11 = 14,161.59/x
  3. Step 3: Cross multiply
    39,128.04x = 58,678.11 × 14,161.59
  4. Step 4: Simplify right side
    39,128.04x = 830,975,335.79
  5. Step 5: Solve for x
    x = 830,975,335.79/39,128.04
  6. Step 6: Final answer
    x = 21,237.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.