Home / 51,130.56-70,549.28-29,905.68

Finding the Fourth Proportional to 51,130.56, 70,549.28 and 29,905.68

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Solution

The fourth proportional to 51,130.56, 70,549.28 and 29,905.68 is: 41,263.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,130.56 : 70,549.28 = 29,905.68 : x
  2. Step 2: Convert to fraction form
    51,130.56/70,549.28 = 29,905.68/x
  3. Step 3: Cross multiply
    51,130.56x = 70,549.28 × 29,905.68
  4. Step 4: Simplify right side
    51,130.56x = 2,109,824,191.91
  5. Step 5: Solve for x
    x = 2,109,824,191.91/51,130.56
  6. Step 6: Final answer
    x = 41,263.47

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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.