Home / 51,122.64-70,548.66-28,461

Finding the Fourth Proportional to 51,122.64, 70,548.66 and 28,461

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Solution

The fourth proportional to 51,122.64, 70,548.66 and 28,461 is: 39,275.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,122.64 : 70,548.66 = 28,461 : x
  2. Step 2: Convert to fraction form
    51,122.64/70,548.66 = 28,461/x
  3. Step 3: Cross multiply
    51,122.64x = 70,548.66 × 28,461
  4. Step 4: Simplify right side
    51,122.64x = 2,007,885,412.26
  5. Step 5: Solve for x
    x = 2,007,885,412.26/51,122.64
  6. Step 6: Final answer
    x = 39,275.86

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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.