Home / 58,220.86-87,331.27-18,777.96

Finding the Fourth Proportional to 58,220.86, 87,331.27 and 18,777.96

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Solution

The fourth proportional to 58,220.86, 87,331.27 and 18,777.96 is: 28,166.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,220.86 : 87,331.27 = 18,777.96 : x
  2. Step 2: Convert to fraction form
    58,220.86/87,331.27 = 18,777.96/x
  3. Step 3: Cross multiply
    58,220.86x = 87,331.27 × 18,777.96
  4. Step 4: Simplify right side
    58,220.86x = 1,639,903,094.81
  5. Step 5: Solve for x
    x = 1,639,903,094.81/58,220.86
  6. Step 6: Final answer
    x = 28,166.93

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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.