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Finding the Fourth Proportional to 58,635.75, 87,953.70 and 14,262.20

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Solution

The fourth proportional to 58,635.75, 87,953.70 and 14,262.20 is: 21,393.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,635.75 : 87,953.70 = 14,262.20 : x
  2. Step 2: Convert to fraction form
    58,635.75/87,953.70 = 14,262.20/x
  3. Step 3: Cross multiply
    58,635.75x = 87,953.70 × 14,262.20
  4. Step 4: Simplify right side
    58,635.75x = 1,254,412,749.06
  5. Step 5: Solve for x
    x = 1,254,412,749.06/58,635.75
  6. Step 6: Final answer
    x = 21,393.31

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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.