Home / 36,981.74-51,034.80-19,985.92

Finding the Fourth Proportional to 36,981.74, 51,034.80 and 19,985.92

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Solution

The fourth proportional to 36,981.74, 51,034.80 and 19,985.92 is: 27,580.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,981.74 : 51,034.80 = 19,985.92 : x
  2. Step 2: Convert to fraction form
    36,981.74/51,034.80 = 19,985.92/x
  3. Step 3: Cross multiply
    36,981.74x = 51,034.80 × 19,985.92
  4. Step 4: Simplify right side
    36,981.74x = 1,019,977,430.02
  5. Step 5: Solve for x
    x = 1,019,977,430.02/36,981.74
  6. Step 6: Final answer
    x = 27,580.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.