Home / 32,119.79-44,320.42-18,322.25

Finding the Fourth Proportional to 32,119.79, 44,320.42 and 18,322.25

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Solution

The fourth proportional to 32,119.79, 44,320.42 and 18,322.25 is: 25,281.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,119.79 : 44,320.42 = 18,322.25 : x
  2. Step 2: Convert to fraction form
    32,119.79/44,320.42 = 18,322.25/x
  3. Step 3: Cross multiply
    32,119.79x = 44,320.42 × 18,322.25
  4. Step 4: Simplify right side
    32,119.79x = 812,049,547.94
  5. Step 5: Solve for x
    x = 812,049,547.94/32,119.79
  6. Step 6: Final answer
    x = 25,281.91

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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.