Home / 58,150.79-87,170.76-18,680.18

Finding the Fourth Proportional to 58,150.79, 87,170.76 and 18,680.18

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Solution

The fourth proportional to 58,150.79, 87,170.76 and 18,680.18 is: 28,002.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,150.79 : 87,170.76 = 18,680.18 : x
  2. Step 2: Convert to fraction form
    58,150.79/87,170.76 = 18,680.18/x
  3. Step 3: Cross multiply
    58,150.79x = 87,170.76 × 18,680.18
  4. Step 4: Simplify right side
    58,150.79x = 1,628,365,705.46
  5. Step 5: Solve for x
    x = 1,628,365,705.46/58,150.79
  6. Step 6: Final answer
    x = 28,002.47

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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.