Home / 42,368.16-63,558-14,668.32

Finding the Fourth Proportional to 42,368.16, 63,558 and 14,668.32

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Solution

The fourth proportional to 42,368.16, 63,558 and 14,668.32 is: 22,004.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,368.16 : 63,558 = 14,668.32 : x
  2. Step 2: Convert to fraction form
    42,368.16/63,558 = 14,668.32/x
  3. Step 3: Cross multiply
    42,368.16x = 63,558 × 14,668.32
  4. Step 4: Simplify right side
    42,368.16x = 932,289,082.56
  5. Step 5: Solve for x
    x = 932,289,082.56/42,368.16
  6. Step 6: Final answer
    x = 22,004.47

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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.