Home / 53,030.16-79,387.36-34,255.46

Finding the Fourth Proportional to 53,030.16, 79,387.36 and 34,255.46

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Solution

The fourth proportional to 53,030.16, 79,387.36 and 34,255.46 is: 51,281.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,030.16 : 79,387.36 = 34,255.46 : x
  2. Step 2: Convert to fraction form
    53,030.16/79,387.36 = 34,255.46/x
  3. Step 3: Cross multiply
    53,030.16x = 79,387.36 × 34,255.46
  4. Step 4: Simplify right side
    53,030.16x = 2,719,450,647.82
  5. Step 5: Solve for x
    x = 2,719,450,647.82/53,030.16
  6. Step 6: Final answer
    x = 51,281.21

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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.