Home / 35,421.50-48,881.68-19,505.92

Finding the Fourth Proportional to 35,421.50, 48,881.68 and 19,505.92

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Solution

The fourth proportional to 35,421.50, 48,881.68 and 19,505.92 is: 26,918.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,421.50 : 48,881.68 = 19,505.92 : x
  2. Step 2: Convert to fraction form
    35,421.50/48,881.68 = 19,505.92/x
  3. Step 3: Cross multiply
    35,421.50x = 48,881.68 × 19,505.92
  4. Step 4: Simplify right side
    35,421.50x = 953,482,139.55
  5. Step 5: Solve for x
    x = 953,482,139.55/35,421.50
  6. Step 6: Final answer
    x = 26,918.18

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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.