Home / 51,723.97-77,598.41-17,985.11

Finding the Fourth Proportional to 51,723.97, 77,598.41 and 17,985.11

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Solution

The fourth proportional to 51,723.97, 77,598.41 and 17,985.11 is: 26,981.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,723.97 : 77,598.41 = 17,985.11 : x
  2. Step 2: Convert to fraction form
    51,723.97/77,598.41 = 17,985.11/x
  3. Step 3: Cross multiply
    51,723.97x = 77,598.41 × 17,985.11
  4. Step 4: Simplify right side
    51,723.97x = 1,395,615,461.76
  5. Step 5: Solve for x
    x = 1,395,615,461.76/51,723.97
  6. Step 6: Final answer
    x = 26,981.99

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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.