Home / 53,303.40-79,941.15-15,853.38

Finding the Fourth Proportional to 53,303.40, 79,941.15 and 15,853.38

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Solution

The fourth proportional to 53,303.40, 79,941.15 and 15,853.38 is: 23,775.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,303.40 : 79,941.15 = 15,853.38 : x
  2. Step 2: Convert to fraction form
    53,303.40/79,941.15 = 15,853.38/x
  3. Step 3: Cross multiply
    53,303.40x = 79,941.15 × 15,853.38
  4. Step 4: Simplify right side
    53,303.40x = 1,267,337,428.59
  5. Step 5: Solve for x
    x = 1,267,337,428.59/53,303.40
  6. Step 6: Final answer
    x = 23,775.92

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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.