Home / 42,209.57-63,316.47-12,627.65

Finding the Fourth Proportional to 42,209.57, 63,316.47 and 12,627.65

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Solution

The fourth proportional to 42,209.57, 63,316.47 and 12,627.65 is: 18,942.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,209.57 : 63,316.47 = 12,627.65 : x
  2. Step 2: Convert to fraction form
    42,209.57/63,316.47 = 12,627.65/x
  3. Step 3: Cross multiply
    42,209.57x = 63,316.47 × 12,627.65
  4. Step 4: Simplify right side
    42,209.57x = 799,538,222.40
  5. Step 5: Solve for x
    x = 799,538,222.40/42,209.57
  6. Step 6: Final answer
    x = 18,942.11

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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.