Home / 42,995.64-64,427.70-18,022.07

Finding the Fourth Proportional to 42,995.64, 64,427.70 and 18,022.07

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Solution

The fourth proportional to 42,995.64, 64,427.70 and 18,022.07 is: 27,005.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,995.64 : 64,427.70 = 18,022.07 : x
  2. Step 2: Convert to fraction form
    42,995.64/64,427.70 = 18,022.07/x
  3. Step 3: Cross multiply
    42,995.64x = 64,427.70 × 18,022.07
  4. Step 4: Simplify right side
    42,995.64x = 1,161,120,490.76
  5. Step 5: Solve for x
    x = 1,161,120,490.76/42,995.64
  6. Step 6: Final answer
    x = 27,005.54

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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.