Home / 52,340.27-78,447.87-19,021.32

Finding the Fourth Proportional to 52,340.27, 78,447.87 and 19,021.32

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Solution

The fourth proportional to 52,340.27, 78,447.87 and 19,021.32 is: 28,509.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,340.27 : 78,447.87 = 19,021.32 : x
  2. Step 2: Convert to fraction form
    52,340.27/78,447.87 = 19,021.32/x
  3. Step 3: Cross multiply
    52,340.27x = 78,447.87 × 19,021.32
  4. Step 4: Simplify right side
    52,340.27x = 1,492,182,038.59
  5. Step 5: Solve for x
    x = 1,492,182,038.59/52,340.27
  6. Step 6: Final answer
    x = 28,509.26

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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.