Home / 53,251.15-79,889.01-15,810.38

Finding the Fourth Proportional to 53,251.15, 79,889.01 and 15,810.38

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Solution

The fourth proportional to 53,251.15, 79,889.01 and 15,810.38 is: 23,719.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,251.15 : 79,889.01 = 15,810.38 : x
  2. Step 2: Convert to fraction form
    53,251.15/79,889.01 = 15,810.38/x
  3. Step 3: Cross multiply
    53,251.15x = 79,889.01 × 15,810.38
  4. Step 4: Simplify right side
    53,251.15x = 1,263,075,605.92
  5. Step 5: Solve for x
    x = 1,263,075,605.92/53,251.15
  6. Step 6: Final answer
    x = 23,719.22

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1.5x scale

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.