Home / 34,577.54-47,717.62-20,430.36

Finding the Fourth Proportional to 34,577.54, 47,717.62 and 20,430.36

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Solution

The fourth proportional to 34,577.54, 47,717.62 and 20,430.36 is: 28,194.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,577.54 : 47,717.62 = 20,430.36 : x
  2. Step 2: Convert to fraction form
    34,577.54/47,717.62 = 20,430.36/x
  3. Step 3: Cross multiply
    34,577.54x = 47,717.62 × 20,430.36
  4. Step 4: Simplify right side
    34,577.54x = 974,888,154.94
  5. Step 5: Solve for x
    x = 974,888,154.94/34,577.54
  6. Step 6: Final answer
    x = 28,194.26

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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.