Home / 29,429.02-40,572.30-19,981.18

Finding the Fourth Proportional to 29,429.02, 40,572.30 and 19,981.18

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Solution

The fourth proportional to 29,429.02, 40,572.30 and 19,981.18 is: 27,547.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,429.02 : 40,572.30 = 19,981.18 : x
  2. Step 2: Convert to fraction form
    29,429.02/40,572.30 = 19,981.18/x
  3. Step 3: Cross multiply
    29,429.02x = 40,572.30 × 19,981.18
  4. Step 4: Simplify right side
    29,429.02x = 810,682,429.31
  5. Step 5: Solve for x
    x = 810,682,429.31/29,429.02
  6. Step 6: Final answer
    x = 27,547.04

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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.