Home / 53,000.01-79,502.78-13,557.47

Finding the Fourth Proportional to 53,000.01, 79,502.78 and 13,557.47

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Solution

The fourth proportional to 53,000.01, 79,502.78 and 13,557.47 is: 20,336.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,000.01 : 79,502.78 = 13,557.47 : x
  2. Step 2: Convert to fraction form
    53,000.01/79,502.78 = 13,557.47/x
  3. Step 3: Cross multiply
    53,000.01x = 79,502.78 × 13,557.47
  4. Step 4: Simplify right side
    53,000.01x = 1,077,856,191.15
  5. Step 5: Solve for x
    x = 1,077,856,191.15/53,000.01
  6. Step 6: Final answer
    x = 20,336.91

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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.