Home / 42,730.92-64,010.19-35,780.40

Finding the Fourth Proportional to 42,730.92, 64,010.19 and 35,780.40

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Solution

The fourth proportional to 42,730.92, 64,010.19 and 35,780.40 is: 53,598.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,730.92 : 64,010.19 = 35,780.40 : x
  2. Step 2: Convert to fraction form
    42,730.92/64,010.19 = 35,780.40/x
  3. Step 3: Cross multiply
    42,730.92x = 64,010.19 × 35,780.40
  4. Step 4: Simplify right side
    42,730.92x = 2,290,310,202.28
  5. Step 5: Solve for x
    x = 2,290,310,202.28/42,730.92
  6. Step 6: Final answer
    x = 53,598.43

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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.