Home / 53,158.32-79,704-28,182.60

Finding the Fourth Proportional to 53,158.32, 79,704 and 28,182.60

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Solution

The fourth proportional to 53,158.32, 79,704 and 28,182.60 is: 42,256.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,158.32 : 79,704 = 28,182.60 : x
  2. Step 2: Convert to fraction form
    53,158.32/79,704 = 28,182.60/x
  3. Step 3: Cross multiply
    53,158.32x = 79,704 × 28,182.60
  4. Step 4: Simplify right side
    53,158.32x = 2,246,265,950.40
  5. Step 5: Solve for x
    x = 2,246,265,950.40/53,158.32
  6. Step 6: Final answer
    x = 42,256.15

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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.