Home / 47,021.64-70,531.66-18,941.01

Finding the Fourth Proportional to 47,021.64, 70,531.66 and 18,941.01

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Solution

The fourth proportional to 47,021.64, 70,531.66 and 18,941.01 is: 28,411.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,021.64 : 70,531.66 = 18,941.01 : x
  2. Step 2: Convert to fraction form
    47,021.64/70,531.66 = 18,941.01/x
  3. Step 3: Cross multiply
    47,021.64x = 70,531.66 × 18,941.01
  4. Step 4: Simplify right side
    47,021.64x = 1,335,940,877.38
  5. Step 5: Solve for x
    x = 1,335,940,877.38/47,021.64
  6. Step 6: Final answer
    x = 28,411.19

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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.