Home / 55,742.08-83,612.80-14,192.32

Finding the Fourth Proportional to 55,742.08, 83,612.80 and 14,192.32

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Solution

The fourth proportional to 55,742.08, 83,612.80 and 14,192.32 is: 21,288.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,742.08 : 83,612.80 = 14,192.32 : x
  2. Step 2: Convert to fraction form
    55,742.08/83,612.80 = 14,192.32/x
  3. Step 3: Cross multiply
    55,742.08x = 83,612.80 × 14,192.32
  4. Step 4: Simplify right side
    55,742.08x = 1,186,659,613.70
  5. Step 5: Solve for x
    x = 1,186,659,613.70/55,742.08
  6. Step 6: Final answer
    x = 21,288.40

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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.