Home / 35,431.87-53,154.35-14,656.99

Finding the Fourth Proportional to 35,431.87, 53,154.35 and 14,656.99

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Solution

The fourth proportional to 35,431.87, 53,154.35 and 14,656.99 is: 21,988.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,431.87 : 53,154.35 = 14,656.99 : x
  2. Step 2: Convert to fraction form
    35,431.87/53,154.35 = 14,656.99/x
  3. Step 3: Cross multiply
    35,431.87x = 53,154.35 × 14,656.99
  4. Step 4: Simplify right side
    35,431.87x = 779,082,776.41
  5. Step 5: Solve for x
    x = 779,082,776.41/35,431.87
  6. Step 6: Final answer
    x = 21,988.19

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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.