Home / 32,741.24-45,171.05-21,417.18

Finding the Fourth Proportional to 32,741.24, 45,171.05 and 21,417.18

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Solution

The fourth proportional to 32,741.24, 45,171.05 and 21,417.18 is: 29,547.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,741.24 : 45,171.05 = 21,417.18 : x
  2. Step 2: Convert to fraction form
    32,741.24/45,171.05 = 21,417.18/x
  3. Step 3: Cross multiply
    32,741.24x = 45,171.05 × 21,417.18
  4. Step 4: Simplify right side
    32,741.24x = 967,436,401.55
  5. Step 5: Solve for x
    x = 967,436,401.55/32,741.24
  6. Step 6: Final answer
    x = 29,547.95

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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.