Home / 35,421.10-48,881.26-21,274.18

Finding the Fourth Proportional to 35,421.10, 48,881.26 and 21,274.18

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Solution

The fourth proportional to 35,421.10, 48,881.26 and 21,274.18 is: 29,358.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,421.10 : 48,881.26 = 21,274.18 : x
  2. Step 2: Convert to fraction form
    35,421.10/48,881.26 = 21,274.18/x
  3. Step 3: Cross multiply
    35,421.10x = 48,881.26 × 21,274.18
  4. Step 4: Simplify right side
    35,421.10x = 1,039,908,723.87
  5. Step 5: Solve for x
    x = 1,039,908,723.87/35,421.10
  6. Step 6: Final answer
    x = 29,358.45

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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.