Home / 38,835.93-53,611.62-29,279.67

Finding the Fourth Proportional to 38,835.93, 53,611.62 and 29,279.67

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Solution

The fourth proportional to 38,835.93, 53,611.62 and 29,279.67 is: 40,419.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,835.93 : 53,611.62 = 29,279.67 : x
  2. Step 2: Convert to fraction form
    38,835.93/53,611.62 = 29,279.67/x
  3. Step 3: Cross multiply
    38,835.93x = 53,611.62 × 29,279.67
  4. Step 4: Simplify right side
    38,835.93x = 1,569,730,541.77
  5. Step 5: Solve for x
    x = 1,569,730,541.77/38,835.93
  6. Step 6: Final answer
    x = 40,419.54

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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.