Home / 35,146.58-52,702.86-12,970.40

Finding the Fourth Proportional to 35,146.58, 52,702.86 and 12,970.40

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Solution

The fourth proportional to 35,146.58, 52,702.86 and 12,970.40 is: 19,449.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,146.58 : 52,702.86 = 12,970.40 : x
  2. Step 2: Convert to fraction form
    35,146.58/52,702.86 = 12,970.40/x
  3. Step 3: Cross multiply
    35,146.58x = 52,702.86 × 12,970.40
  4. Step 4: Simplify right side
    35,146.58x = 683,577,175.34
  5. Step 5: Solve for x
    x = 683,577,175.34/35,146.58
  6. Step 6: Final answer
    x = 19,449.32

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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.