Home / 51,053.29-70,444.96-28,389.31

Finding the Fourth Proportional to 51,053.29, 70,444.96 and 28,389.31

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Solution

The fourth proportional to 51,053.29, 70,444.96 and 28,389.31 is: 39,172.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,053.29 : 70,444.96 = 28,389.31 : x
  2. Step 2: Convert to fraction form
    51,053.29/70,444.96 = 28,389.31/x
  3. Step 3: Cross multiply
    51,053.29x = 70,444.96 × 28,389.31
  4. Step 4: Simplify right side
    51,053.29x = 1,999,883,581.00
  5. Step 5: Solve for x
    x = 1,999,883,581.00/51,053.29
  6. Step 6: Final answer
    x = 39,172.47

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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.