Home / 42,907.08-64,011.21-35,930.28

Finding the Fourth Proportional to 42,907.08, 64,011.21 and 35,930.28

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Solution

The fourth proportional to 42,907.08, 64,011.21 and 35,930.28 is: 53,602.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,907.08 : 64,011.21 = 35,930.28 : x
  2. Step 2: Convert to fraction form
    42,907.08/64,011.21 = 35,930.28/x
  3. Step 3: Cross multiply
    42,907.08x = 64,011.21 × 35,930.28
  4. Step 4: Simplify right side
    42,907.08x = 2,299,940,698.44
  5. Step 5: Solve for x
    x = 2,299,940,698.44/42,907.08
  6. Step 6: Final answer
    x = 53,602.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.