Home / 42,653.19-63,977.46-13,071.11

Finding the Fourth Proportional to 42,653.19, 63,977.46 and 13,071.11

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Solution

The fourth proportional to 42,653.19, 63,977.46 and 13,071.11 is: 19,605.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,653.19 : 63,977.46 = 13,071.11 : x
  2. Step 2: Convert to fraction form
    42,653.19/63,977.46 = 13,071.11/x
  3. Step 3: Cross multiply
    42,653.19x = 63,977.46 × 13,071.11
  4. Step 4: Simplify right side
    42,653.19x = 836,256,417.18
  5. Step 5: Solve for x
    x = 836,256,417.18/42,653.19
  6. Step 6: Final answer
    x = 19,605.95

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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.