Home / 36,350.65-50,156.53-21,240.40

Finding the Fourth Proportional to 36,350.65, 50,156.53 and 21,240.40

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Solution

The fourth proportional to 36,350.65, 50,156.53 and 21,240.40 is: 29,307.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,350.65 : 50,156.53 = 21,240.40 : x
  2. Step 2: Convert to fraction form
    36,350.65/50,156.53 = 21,240.40/x
  3. Step 3: Cross multiply
    36,350.65x = 50,156.53 × 21,240.40
  4. Step 4: Simplify right side
    36,350.65x = 1,065,344,759.81
  5. Step 5: Solve for x
    x = 1,065,344,759.81/36,350.65
  6. Step 6: Final answer
    x = 29,307.45

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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.