Home / 51,428.40-77,062.80-35,664.18

Finding the Fourth Proportional to 51,428.40, 77,062.80 and 35,664.18

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Solution

The fourth proportional to 51,428.40, 77,062.80 and 35,664.18 is: 53,440.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,428.40 : 77,062.80 = 35,664.18 : x
  2. Step 2: Convert to fraction form
    51,428.40/77,062.80 = 35,664.18/x
  3. Step 3: Cross multiply
    51,428.40x = 77,062.80 × 35,664.18
  4. Step 4: Simplify right side
    51,428.40x = 2,748,381,570.50
  5. Step 5: Solve for x
    x = 2,748,381,570.50/51,428.40
  6. Step 6: Final answer
    x = 53,440.93

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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.