Home / 34,421.36-47,495.72-20,277.04

Finding the Fourth Proportional to 34,421.36, 47,495.72 and 20,277.04

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Solution

The fourth proportional to 34,421.36, 47,495.72 and 20,277.04 is: 27,978.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,421.36 : 47,495.72 = 20,277.04 : x
  2. Step 2: Convert to fraction form
    34,421.36/47,495.72 = 20,277.04/x
  3. Step 3: Cross multiply
    34,421.36x = 47,495.72 × 20,277.04
  4. Step 4: Simplify right side
    34,421.36x = 963,072,614.27
  5. Step 5: Solve for x
    x = 963,072,614.27/34,421.36
  6. Step 6: Final answer
    x = 27,978.92

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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.