Home / 42,369.49-63,561.54-17,423.11

Finding the Fourth Proportional to 42,369.49, 63,561.54 and 17,423.11

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Solution

The fourth proportional to 42,369.49, 63,561.54 and 17,423.11 is: 26,137.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,369.49 : 63,561.54 = 17,423.11 : x
  2. Step 2: Convert to fraction form
    42,369.49/63,561.54 = 17,423.11/x
  3. Step 3: Cross multiply
    42,369.49x = 63,561.54 × 17,423.11
  4. Step 4: Simplify right side
    42,369.49x = 1,107,439,703.19
  5. Step 5: Solve for x
    x = 1,107,439,703.19/42,369.49
  6. Step 6: Final answer
    x = 26,137.67

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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.