Home / 35,314.07-48,708.51-21,702.81

Finding the Fourth Proportional to 35,314.07, 48,708.51 and 21,702.81

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Solution

The fourth proportional to 35,314.07, 48,708.51 and 21,702.81 is: 29,934.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,314.07 : 48,708.51 = 21,702.81 : x
  2. Step 2: Convert to fraction form
    35,314.07/48,708.51 = 21,702.81/x
  3. Step 3: Cross multiply
    35,314.07x = 48,708.51 × 21,702.81
  4. Step 4: Simplify right side
    35,314.07x = 1,057,111,633.42
  5. Step 5: Solve for x
    x = 1,057,111,633.42/35,314.07
  6. Step 6: Final answer
    x = 29,934.57

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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.