Home / 53,101.36-79,631.52-21,503.53

Finding the Fourth Proportional to 53,101.36, 79,631.52 and 21,503.53

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Solution

The fourth proportional to 53,101.36, 79,631.52 and 21,503.53 is: 32,246.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,101.36 : 79,631.52 = 21,503.53 : x
  2. Step 2: Convert to fraction form
    53,101.36/79,631.52 = 21,503.53/x
  3. Step 3: Cross multiply
    53,101.36x = 79,631.52 × 21,503.53
  4. Step 4: Simplify right side
    53,101.36x = 1,712,358,779.27
  5. Step 5: Solve for x
    x = 1,712,358,779.27/53,101.36
  6. Step 6: Final answer
    x = 32,246.99

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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.