Home / 58,222.60-87,312.30-20,768.20

Finding the Fourth Proportional to 58,222.60, 87,312.30 and 20,768.20

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Solution

The fourth proportional to 58,222.60, 87,312.30 and 20,768.20 is: 31,144.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,222.60 : 87,312.30 = 20,768.20 : x
  2. Step 2: Convert to fraction form
    58,222.60/87,312.30 = 20,768.20/x
  3. Step 3: Cross multiply
    58,222.60x = 87,312.30 × 20,768.20
  4. Step 4: Simplify right side
    58,222.60x = 1,813,319,308.86
  5. Step 5: Solve for x
    x = 1,813,319,308.86/58,222.60
  6. Step 6: Final answer
    x = 31,144.60

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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.