Home / 35,818.48-53,727.84-12,445.12

Finding the Fourth Proportional to 35,818.48, 53,727.84 and 12,445.12

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Solution

The fourth proportional to 35,818.48, 53,727.84 and 12,445.12 is: 18,667.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,818.48 : 53,727.84 = 12,445.12 : x
  2. Step 2: Convert to fraction form
    35,818.48/53,727.84 = 12,445.12/x
  3. Step 3: Cross multiply
    35,818.48x = 53,727.84 × 12,445.12
  4. Step 4: Simplify right side
    35,818.48x = 668,649,416.14
  5. Step 5: Solve for x
    x = 668,649,416.14/35,818.48
  6. Step 6: Final answer
    x = 18,667.72

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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.