Home / 35,157.08-52,718.58-12,980.90

Finding the Fourth Proportional to 35,157.08, 52,718.58 and 12,980.90

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Solution

The fourth proportional to 35,157.08, 52,718.58 and 12,980.90 is: 19,465.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,157.08 : 52,718.58 = 12,980.90 : x
  2. Step 2: Convert to fraction form
    35,157.08/52,718.58 = 12,980.90/x
  3. Step 3: Cross multiply
    35,157.08x = 52,718.58 × 12,980.90
  4. Step 4: Simplify right side
    35,157.08x = 684,334,615.12
  5. Step 5: Solve for x
    x = 684,334,615.12/35,157.08
  6. Step 6: Final answer
    x = 19,465.06

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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.