Home / 51,654.90-77,482.30-14,215.18

Finding the Fourth Proportional to 51,654.90, 77,482.30 and 14,215.18

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Solution

The fourth proportional to 51,654.90, 77,482.30 and 14,215.18 is: 21,322.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,654.90 : 77,482.30 = 14,215.18 : x
  2. Step 2: Convert to fraction form
    51,654.90/77,482.30 = 14,215.18/x
  3. Step 3: Cross multiply
    51,654.90x = 77,482.30 × 14,215.18
  4. Step 4: Simplify right side
    51,654.90x = 1,101,424,841.31
  5. Step 5: Solve for x
    x = 1,101,424,841.31/51,654.90
  6. Step 6: Final answer
    x = 21,322.76

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1.5x scale

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.