Home / 58,220.36-87,330.52-18,777.46

Finding the Fourth Proportional to 58,220.36, 87,330.52 and 18,777.46

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Solution

The fourth proportional to 58,220.36, 87,330.52 and 18,777.46 is: 28,166.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,220.36 : 87,330.52 = 18,777.46 : x
  2. Step 2: Convert to fraction form
    58,220.36/87,330.52 = 18,777.46/x
  3. Step 3: Cross multiply
    58,220.36x = 87,330.52 × 18,777.46
  4. Step 4: Simplify right side
    58,220.36x = 1,639,845,346.08
  5. Step 5: Solve for x
    x = 1,639,845,346.08/58,220.36
  6. Step 6: Final answer
    x = 28,166.18

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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.