Home / 63,920.65-88,206.70-36,690.45

Finding the Fourth Proportional to 63,920.65, 88,206.70 and 36,690.45

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Solution

The fourth proportional to 63,920.65, 88,206.70 and 36,690.45 is: 50,630.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,920.65 : 88,206.70 = 36,690.45 : x
  2. Step 2: Convert to fraction form
    63,920.65/88,206.70 = 36,690.45/x
  3. Step 3: Cross multiply
    63,920.65x = 88,206.70 × 36,690.45
  4. Step 4: Simplify right side
    63,920.65x = 3,236,343,516.02
  5. Step 5: Solve for x
    x = 3,236,343,516.02/63,920.65
  6. Step 6: Final answer
    x = 50,630.64

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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.