Home / 42,995.58-64,497.69-15,985.14

Finding the Fourth Proportional to 42,995.58, 64,497.69 and 15,985.14

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Solution

The fourth proportional to 42,995.58, 64,497.69 and 15,985.14 is: 23,979.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,995.58 : 64,497.69 = 15,985.14 : x
  2. Step 2: Convert to fraction form
    42,995.58/64,497.69 = 15,985.14/x
  3. Step 3: Cross multiply
    42,995.58x = 64,497.69 × 15,985.14
  4. Step 4: Simplify right side
    42,995.58x = 1,031,004,604.33
  5. Step 5: Solve for x
    x = 1,031,004,604.33/42,995.58
  6. Step 6: Final answer
    x = 23,979.32

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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.