Home / 29,139.10-40,210.79-17,206.28

Finding the Fourth Proportional to 29,139.10, 40,210.79 and 17,206.28

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Solution

The fourth proportional to 29,139.10, 40,210.79 and 17,206.28 is: 23,743.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,139.10 : 40,210.79 = 17,206.28 : x
  2. Step 2: Convert to fraction form
    29,139.10/40,210.79 = 17,206.28/x
  3. Step 3: Cross multiply
    29,139.10x = 40,210.79 × 17,206.28
  4. Step 4: Simplify right side
    29,139.10x = 691,878,111.76
  5. Step 5: Solve for x
    x = 691,878,111.76/29,139.10
  6. Step 6: Final answer
    x = 23,743.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.