Home / 51,820.09-77,730.14-14,380.18

Finding the Fourth Proportional to 51,820.09, 77,730.14 and 14,380.18

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Solution

The fourth proportional to 51,820.09, 77,730.14 and 14,380.18 is: 21,570.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,820.09 : 77,730.14 = 14,380.18 : x
  2. Step 2: Convert to fraction form
    51,820.09/77,730.14 = 14,380.18/x
  3. Step 3: Cross multiply
    51,820.09x = 77,730.14 × 14,380.18
  4. Step 4: Simplify right side
    51,820.09x = 1,117,773,246.25
  5. Step 5: Solve for x
    x = 1,117,773,246.25/51,820.09
  6. Step 6: Final answer
    x = 21,570.27

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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.