Home / 51,746.59-77,621.70-20,159.02

Finding the Fourth Proportional to 51,746.59, 77,621.70 and 20,159.02

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Solution

The fourth proportional to 51,746.59, 77,621.70 and 20,159.02 is: 30,239.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,746.59 : 77,621.70 = 20,159.02 : x
  2. Step 2: Convert to fraction form
    51,746.59/77,621.70 = 20,159.02/x
  3. Step 3: Cross multiply
    51,746.59x = 77,621.70 × 20,159.02
  4. Step 4: Simplify right side
    51,746.59x = 1,564,777,014.63
  5. Step 5: Solve for x
    x = 1,564,777,014.63/51,746.59
  6. Step 6: Final answer
    x = 30,239.23

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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.