Home / 77,819.04-116,730.84-30,432.24

Finding the Fourth Proportional to 77,819.04, 116,730.84 and 30,432.24

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Solution

The fourth proportional to 77,819.04, 116,730.84 and 30,432.24 is: 45,649.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,819.04 : 116,730.84 = 30,432.24 : x
  2. Step 2: Convert to fraction form
    77,819.04/116,730.84 = 30,432.24/x
  3. Step 3: Cross multiply
    77,819.04x = 116,730.84 × 30,432.24
  4. Step 4: Simplify right side
    77,819.04x = 3,552,380,938.28
  5. Step 5: Solve for x
    x = 3,552,380,938.28/77,819.04
  6. Step 6: Final answer
    x = 45,649.25

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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.