Home / 53,099.39-79,649.30-21,510.06

Finding the Fourth Proportional to 53,099.39, 79,649.30 and 21,510.06

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Solution

The fourth proportional to 53,099.39, 79,649.30 and 21,510.06 is: 32,265.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,099.39 : 79,649.30 = 21,510.06 : x
  2. Step 2: Convert to fraction form
    53,099.39/79,649.30 = 21,510.06/x
  3. Step 3: Cross multiply
    53,099.39x = 79,649.30 × 21,510.06
  4. Step 4: Simplify right side
    53,099.39x = 1,713,261,144.65
  5. Step 5: Solve for x
    x = 1,713,261,144.65/53,099.39
  6. Step 6: Final answer
    x = 32,265.17

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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.