Home / 42,959.12-64,362.45-17,944.13

Finding the Fourth Proportional to 42,959.12, 64,362.45 and 17,944.13

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Solution

The fourth proportional to 42,959.12, 64,362.45 and 17,944.13 is: 26,884.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,959.12 : 64,362.45 = 17,944.13 : x
  2. Step 2: Convert to fraction form
    42,959.12/64,362.45 = 17,944.13/x
  3. Step 3: Cross multiply
    42,959.12x = 64,362.45 × 17,944.13
  4. Step 4: Simplify right side
    42,959.12x = 1,154,928,169.92
  5. Step 5: Solve for x
    x = 1,154,928,169.92/42,959.12
  6. Step 6: Final answer
    x = 26,884.35

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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.