Home / 29,230.79-40,328.93-17,888.46

Finding the Fourth Proportional to 29,230.79, 40,328.93 and 17,888.46

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Solution

The fourth proportional to 29,230.79, 40,328.93 and 17,888.46 is: 24,680.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,230.79 : 40,328.93 = 17,888.46 : x
  2. Step 2: Convert to fraction form
    29,230.79/40,328.93 = 17,888.46/x
  3. Step 3: Cross multiply
    29,230.79x = 40,328.93 × 17,888.46
  4. Step 4: Simplify right side
    29,230.79x = 721,422,361.71
  5. Step 5: Solve for x
    x = 721,422,361.71/29,230.79
  6. Step 6: Final answer
    x = 24,680.22

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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.