Home / 45,182.17-67,681.22-21,417.68

Finding the Fourth Proportional to 45,182.17, 67,681.22 and 21,417.68

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Solution

The fourth proportional to 45,182.17, 67,681.22 and 21,417.68 is: 32,082.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,182.17 : 67,681.22 = 21,417.68 : x
  2. Step 2: Convert to fraction form
    45,182.17/67,681.22 = 21,417.68/x
  3. Step 3: Cross multiply
    45,182.17x = 67,681.22 × 21,417.68
  4. Step 4: Simplify right side
    45,182.17x = 1,449,574,774.08
  5. Step 5: Solve for x
    x = 1,449,574,774.08/45,182.17
  6. Step 6: Final answer
    x = 32,082.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.