Home / 29,528.55-40,748.00-16,781.40

Finding the Fourth Proportional to 29,528.55, 40,748.00 and 16,781.40

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Solution

The fourth proportional to 29,528.55, 40,748.00 and 16,781.40 is: 23,157.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,528.55 : 40,748.00 = 16,781.40 : x
  2. Step 2: Convert to fraction form
    29,528.55/40,748.00 = 16,781.40/x
  3. Step 3: Cross multiply
    29,528.55x = 40,748.00 × 16,781.40
  4. Step 4: Simplify right side
    29,528.55x = 683,808,403.29
  5. Step 5: Solve for x
    x = 683,808,403.29/29,528.55
  6. Step 6: Final answer
    x = 23,157.53

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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.