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Finding the Fourth Proportional to 62,210, 85,849.98 and 33,915.08

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Solution

The fourth proportional to 62,210, 85,849.98 and 33,915.08 is: 46,802.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,210 : 85,849.98 = 33,915.08 : x
  2. Step 2: Convert to fraction form
    62,210/85,849.98 = 33,915.08/x
  3. Step 3: Cross multiply
    62,210x = 85,849.98 × 33,915.08
  4. Step 4: Simplify right side
    62,210x = 2,911,608,939.70
  5. Step 5: Solve for x
    x = 2,911,608,939.70/62,210
  6. Step 6: Final answer
    x = 46,802.91

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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.