Home / 53,009.15-79,501.43-15,559.17

Finding the Fourth Proportional to 53,009.15, 79,501.43 and 15,559.17

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Solution

The fourth proportional to 53,009.15, 79,501.43 and 15,559.17 is: 23,335.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,009.15 : 79,501.43 = 15,559.17 : x
  2. Step 2: Convert to fraction form
    53,009.15/79,501.43 = 15,559.17/x
  3. Step 3: Cross multiply
    53,009.15x = 79,501.43 × 15,559.17
  4. Step 4: Simplify right side
    53,009.15x = 1,236,976,186.82
  5. Step 5: Solve for x
    x = 1,236,976,186.82/53,009.15
  6. Step 6: Final answer
    x = 23,335.14

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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.