Home / 51,680.80-71,186.64-36,547.36

Finding the Fourth Proportional to 51,680.80, 71,186.64 and 36,547.36

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Solution

The fourth proportional to 51,680.80, 71,186.64 and 36,547.36 is: 50,341.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,680.80 : 71,186.64 = 36,547.36 : x
  2. Step 2: Convert to fraction form
    51,680.80/71,186.64 = 36,547.36/x
  3. Step 3: Cross multiply
    51,680.80x = 71,186.64 × 36,547.36
  4. Step 4: Simplify right side
    51,680.80x = 2,601,683,759.27
  5. Step 5: Solve for x
    x = 2,601,683,759.27/51,680.80
  6. Step 6: Final answer
    x = 50,341.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.