Home / 51,347.21-77,019.95-17,636.65

Finding the Fourth Proportional to 51,347.21, 77,019.95 and 17,636.65

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Solution

The fourth proportional to 51,347.21, 77,019.95 and 17,636.65 is: 26,454.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,347.21 : 77,019.95 = 17,636.65 : x
  2. Step 2: Convert to fraction form
    51,347.21/77,019.95 = 17,636.65/x
  3. Step 3: Cross multiply
    51,347.21x = 77,019.95 × 17,636.65
  4. Step 4: Simplify right side
    51,347.21x = 1,358,373,901.17
  5. Step 5: Solve for x
    x = 1,358,373,901.17/51,347.21
  6. Step 6: Final answer
    x = 26,454.68

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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.