Home / 49,070.40-67,718.40-30,211.20

Finding the Fourth Proportional to 49,070.40, 67,718.40 and 30,211.20

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Solution

The fourth proportional to 49,070.40, 67,718.40 and 30,211.20 is: 41,692.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,070.40 : 67,718.40 = 30,211.20 : x
  2. Step 2: Convert to fraction form
    49,070.40/67,718.40 = 30,211.20/x
  3. Step 3: Cross multiply
    49,070.40x = 67,718.40 × 30,211.20
  4. Step 4: Simplify right side
    49,070.40x = 2,045,854,126.08
  5. Step 5: Solve for x
    x = 2,045,854,126.08/49,070.40
  6. Step 6: Final answer
    x = 41,692.22

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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.