Home / 34,357.42-47,403.57-20,929.06

Finding the Fourth Proportional to 34,357.42, 47,403.57 and 20,929.06

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Solution

The fourth proportional to 34,357.42, 47,403.57 and 20,929.06 is: 28,876.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,357.42 : 47,403.57 = 20,929.06 : x
  2. Step 2: Convert to fraction form
    34,357.42/47,403.57 = 20,929.06/x
  3. Step 3: Cross multiply
    34,357.42x = 47,403.57 × 20,929.06
  4. Step 4: Simplify right side
    34,357.42x = 992,112,160.74
  5. Step 5: Solve for x
    x = 992,112,160.74/34,357.42
  6. Step 6: Final answer
    x = 28,876.21

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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.