Home / 47,272.64-70,731.52-28,950.40

Finding the Fourth Proportional to 47,272.64, 70,731.52 and 28,950.40

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Solution

The fourth proportional to 47,272.64, 70,731.52 and 28,950.40 is: 43,316.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,272.64 : 70,731.52 = 28,950.40 : x
  2. Step 2: Convert to fraction form
    47,272.64/70,731.52 = 28,950.40/x
  3. Step 3: Cross multiply
    47,272.64x = 70,731.52 × 28,950.40
  4. Step 4: Simplify right side
    47,272.64x = 2,047,705,796.61
  5. Step 5: Solve for x
    x = 2,047,705,796.61/47,272.64
  6. Step 6: Final answer
    x = 43,316.93

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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.