Home / 58,650.17-87,981.40-19,210.35

Finding the Fourth Proportional to 58,650.17, 87,981.40 and 19,210.35

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Solution

The fourth proportional to 58,650.17, 87,981.40 and 19,210.35 is: 28,817.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,650.17 : 87,981.40 = 19,210.35 : x
  2. Step 2: Convert to fraction form
    58,650.17/87,981.40 = 19,210.35/x
  3. Step 3: Cross multiply
    58,650.17x = 87,981.40 × 19,210.35
  4. Step 4: Simplify right side
    58,650.17x = 1,690,153,487.49
  5. Step 5: Solve for x
    x = 1,690,153,487.49/58,650.17
  6. Step 6: Final answer
    x = 28,817.54

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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.