Home / 60,521.58-90,731.34-28,913.76

Finding the Fourth Proportional to 60,521.58, 90,731.34 and 28,913.76

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Solution

The fourth proportional to 60,521.58, 90,731.34 and 28,913.76 is: 43,346.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,521.58 : 90,731.34 = 28,913.76 : x
  2. Step 2: Convert to fraction form
    60,521.58/90,731.34 = 28,913.76/x
  3. Step 3: Cross multiply
    60,521.58x = 90,731.34 × 28,913.76
  4. Step 4: Simplify right side
    60,521.58x = 2,623,384,189.24
  5. Step 5: Solve for x
    x = 2,623,384,189.24/60,521.58
  6. Step 6: Final answer
    x = 43,346.26

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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.