Home / 58,555.83-87,823.74-21,108.45

Finding the Fourth Proportional to 58,555.83, 87,823.74 and 21,108.45

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Solution

The fourth proportional to 58,555.83, 87,823.74 and 21,108.45 is: 31,659.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,555.83 : 87,823.74 = 21,108.45 : x
  2. Step 2: Convert to fraction form
    58,555.83/87,823.74 = 21,108.45/x
  3. Step 3: Cross multiply
    58,555.83x = 87,823.74 × 21,108.45
  4. Step 4: Simplify right side
    58,555.83x = 1,853,823,024.60
  5. Step 5: Solve for x
    x = 1,853,823,024.60/58,555.83
  6. Step 6: Final answer
    x = 31,659.07

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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.