Home / 35,713.86-53,539.08-13,511.76

Finding the Fourth Proportional to 35,713.86, 53,539.08 and 13,511.76

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Solution

The fourth proportional to 35,713.86, 53,539.08 and 13,511.76 is: 20,255.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,713.86 : 53,539.08 = 13,511.76 : x
  2. Step 2: Convert to fraction form
    35,713.86/53,539.08 = 13,511.76/x
  3. Step 3: Cross multiply
    35,713.86x = 53,539.08 × 13,511.76
  4. Step 4: Simplify right side
    35,713.86x = 723,407,199.58
  5. Step 5: Solve for x
    x = 723,407,199.58/35,713.86
  6. Step 6: Final answer
    x = 20,255.64

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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.