Home / 46,412.30-69,607.29-21,428.35

Finding the Fourth Proportional to 46,412.30, 69,607.29 and 21,428.35

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Solution

The fourth proportional to 46,412.30, 69,607.29 and 21,428.35 is: 32,137.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,412.30 : 69,607.29 = 21,428.35 : x
  2. Step 2: Convert to fraction form
    46,412.30/69,607.29 = 21,428.35/x
  3. Step 3: Cross multiply
    46,412.30x = 69,607.29 × 21,428.35
  4. Step 4: Simplify right side
    46,412.30x = 1,491,569,279.01
  5. Step 5: Solve for x
    x = 1,491,569,279.01/46,412.30
  6. Step 6: Final answer
    x = 32,137.37

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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.