Home / 35,343.39-48,771.38-19,428.87

Finding the Fourth Proportional to 35,343.39, 48,771.38 and 19,428.87

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Solution

The fourth proportional to 35,343.39, 48,771.38 and 19,428.87 is: 26,810.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,343.39 : 48,771.38 = 19,428.87 : x
  2. Step 2: Convert to fraction form
    35,343.39/48,771.38 = 19,428.87/x
  3. Step 3: Cross multiply
    35,343.39x = 48,771.38 × 19,428.87
  4. Step 4: Simplify right side
    35,343.39x = 947,572,801.74
  5. Step 5: Solve for x
    x = 947,572,801.74/35,343.39
  6. Step 6: Final answer
    x = 26,810.47

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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.