Home / 53,038.29-79,536.60-19,740.14

Finding the Fourth Proportional to 53,038.29, 79,536.60 and 19,740.14

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Solution

The fourth proportional to 53,038.29, 79,536.60 and 19,740.14 is: 29,602.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,038.29 : 79,536.60 = 19,740.14 : x
  2. Step 2: Convert to fraction form
    53,038.29/79,536.60 = 19,740.14/x
  3. Step 3: Cross multiply
    53,038.29x = 79,536.60 × 19,740.14
  4. Step 4: Simplify right side
    53,038.29x = 1,570,063,221.44
  5. Step 5: Solve for x
    x = 1,570,063,221.44/53,038.29
  6. Step 6: Final answer
    x = 29,602.45

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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.