Home / 35,219.77-52,876.58-20,439.29

Finding the Fourth Proportional to 35,219.77, 52,876.58 and 20,439.29

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Solution

The fourth proportional to 35,219.77, 52,876.58 and 20,439.29 is: 30,686.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,219.77 : 52,876.58 = 20,439.29 : x
  2. Step 2: Convert to fraction form
    35,219.77/52,876.58 = 20,439.29/x
  3. Step 3: Cross multiply
    35,219.77x = 52,876.58 × 20,439.29
  4. Step 4: Simplify right side
    35,219.77x = 1,080,759,782.82
  5. Step 5: Solve for x
    x = 1,080,759,782.82/35,219.77
  6. Step 6: Final answer
    x = 30,686.17

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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.