Home / 58,677.30-87,984.18-20,707.56

Finding the Fourth Proportional to 58,677.30, 87,984.18 and 20,707.56

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Solution

The fourth proportional to 58,677.30, 87,984.18 and 20,707.56 is: 31,050.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,677.30 : 87,984.18 = 20,707.56 : x
  2. Step 2: Convert to fraction form
    58,677.30/87,984.18 = 20,707.56/x
  3. Step 3: Cross multiply
    58,677.30x = 87,984.18 × 20,707.56
  4. Step 4: Simplify right side
    58,677.30x = 1,821,937,686.40
  5. Step 5: Solve for x
    x = 1,821,937,686.40/58,677.30
  6. Step 6: Final answer
    x = 31,050.13

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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.