Home / 34,445.86-51,680.28-13,386.58

Finding the Fourth Proportional to 34,445.86, 51,680.28 and 13,386.58

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Solution

The fourth proportional to 34,445.86, 51,680.28 and 13,386.58 is: 20,084.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,445.86 : 51,680.28 = 13,386.58 : x
  2. Step 2: Convert to fraction form
    34,445.86/51,680.28 = 13,386.58/x
  3. Step 3: Cross multiply
    34,445.86x = 51,680.28 × 13,386.58
  4. Step 4: Simplify right side
    34,445.86x = 691,822,123.64
  5. Step 5: Solve for x
    x = 691,822,123.64/34,445.86
  6. Step 6: Final answer
    x = 20,084.33

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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.