Home / 58,042.17-87,102.09-21,106.17

Finding the Fourth Proportional to 58,042.17, 87,102.09 and 21,106.17

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Solution

The fourth proportional to 58,042.17, 87,102.09 and 21,106.17 is: 31,673.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,042.17 : 87,102.09 = 21,106.17 : x
  2. Step 2: Convert to fraction form
    58,042.17/87,102.09 = 21,106.17/x
  3. Step 3: Cross multiply
    58,042.17x = 87,102.09 × 21,106.17
  4. Step 4: Simplify right side
    58,042.17x = 1,838,391,518.90
  5. Step 5: Solve for x
    x = 1,838,391,518.90/58,042.17
  6. Step 6: Final answer
    x = 31,673.38

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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.