Home / 45,417.12-62,640.12-29,506.70

Finding the Fourth Proportional to 45,417.12, 62,640.12 and 29,506.70

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Solution

The fourth proportional to 45,417.12, 62,640.12 and 29,506.70 is: 40,696.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,417.12 : 62,640.12 = 29,506.70 : x
  2. Step 2: Convert to fraction form
    45,417.12/62,640.12 = 29,506.70/x
  3. Step 3: Cross multiply
    45,417.12x = 62,640.12 × 29,506.70
  4. Step 4: Simplify right side
    45,417.12x = 1,848,302,915.60
  5. Step 5: Solve for x
    x = 1,848,302,915.60/45,417.12
  6. Step 6: Final answer
    x = 40,696.17

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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.