Home / 58,708.15-81,017.28-31,850.66

Finding the Fourth Proportional to 58,708.15, 81,017.28 and 31,850.66

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Solution

The fourth proportional to 58,708.15, 81,017.28 and 31,850.66 is: 43,953.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,708.15 : 81,017.28 = 31,850.66 : x
  2. Step 2: Convert to fraction form
    58,708.15/81,017.28 = 31,850.66/x
  3. Step 3: Cross multiply
    58,708.15x = 81,017.28 × 31,850.66
  4. Step 4: Simplify right side
    58,708.15x = 2,580,453,839.40
  5. Step 5: Solve for x
    x = 2,580,453,839.40/58,708.15
  6. Step 6: Final answer
    x = 43,953.93

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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.