Home / 47,141.52-70,702.32-13,852.53

Finding the Fourth Proportional to 47,141.52, 70,702.32 and 13,852.53

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Solution

The fourth proportional to 47,141.52, 70,702.32 and 13,852.53 is: 20,775.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,141.52 : 70,702.32 = 13,852.53 : x
  2. Step 2: Convert to fraction form
    47,141.52/70,702.32 = 13,852.53/x
  3. Step 3: Cross multiply
    47,141.52x = 70,702.32 × 13,852.53
  4. Step 4: Simplify right side
    47,141.52x = 979,406,008.87
  5. Step 5: Solve for x
    x = 979,406,008.87/47,141.52
  6. Step 6: Final answer
    x = 20,775.87

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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.