Home / 53,000.08-79,499.30-13,556.86

Finding the Fourth Proportional to 53,000.08, 79,499.30 and 13,556.86

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Solution

The fourth proportional to 53,000.08, 79,499.30 and 13,556.86 is: 20,335.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,000.08 : 79,499.30 = 13,556.86 : x
  2. Step 2: Convert to fraction form
    53,000.08/79,499.30 = 13,556.86/x
  3. Step 3: Cross multiply
    53,000.08x = 79,499.30 × 13,556.86
  4. Step 4: Simplify right side
    53,000.08x = 1,077,760,880.20
  5. Step 5: Solve for x
    x = 1,077,760,880.20/53,000.08
  6. Step 6: Final answer
    x = 20,335.08

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1.5x scale

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.