Home / 30,071.65-45,106.98-10,350.38

Finding the Fourth Proportional to 30,071.65, 45,106.98 and 10,350.38

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Solution

The fourth proportional to 30,071.65, 45,106.98 and 10,350.38 is: 15,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,071.65 : 45,106.98 = 10,350.38 : x
  2. Step 2: Convert to fraction form
    30,071.65/45,106.98 = 10,350.38/x
  3. Step 3: Cross multiply
    30,071.65x = 45,106.98 × 10,350.38
  4. Step 4: Simplify right side
    30,071.65x = 466,874,383.65
  5. Step 5: Solve for x
    x = 466,874,383.65/30,071.65
  6. Step 6: Final answer
    x = 15,525.40

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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.