Home / 51,656.16-77,513.76-42,996

Finding the Fourth Proportional to 51,656.16, 77,513.76 and 42,996

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Solution

The fourth proportional to 51,656.16, 77,513.76 and 42,996 is: 64,518.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,656.16 : 77,513.76 = 42,996 : x
  2. Step 2: Convert to fraction form
    51,656.16/77,513.76 = 42,996/x
  3. Step 3: Cross multiply
    51,656.16x = 77,513.76 × 42,996
  4. Step 4: Simplify right side
    51,656.16x = 3,332,781,624.96
  5. Step 5: Solve for x
    x = 3,332,781,624.96/51,656.16
  6. Step 6: Final answer
    x = 64,518.57

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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.