Home / 44,678.09-66,915.06-21,320.93

Finding the Fourth Proportional to 44,678.09, 66,915.06 and 21,320.93

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Solution

The fourth proportional to 44,678.09, 66,915.06 and 21,320.93 is: 31,932.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,678.09 : 66,915.06 = 21,320.93 : x
  2. Step 2: Convert to fraction form
    44,678.09/66,915.06 = 21,320.93/x
  3. Step 3: Cross multiply
    44,678.09x = 66,915.06 × 21,320.93
  4. Step 4: Simplify right side
    44,678.09x = 1,426,691,203.60
  5. Step 5: Solve for x
    x = 1,426,691,203.60/44,678.09
  6. Step 6: Final answer
    x = 31,932.68

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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.