Home / 53,146.04-79,723.65-13,702.82

Finding the Fourth Proportional to 53,146.04, 79,723.65 and 13,702.82

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Solution

The fourth proportional to 53,146.04, 79,723.65 and 13,702.82 is: 20,555.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,146.04 : 79,723.65 = 13,702.82 : x
  2. Step 2: Convert to fraction form
    53,146.04/79,723.65 = 13,702.82/x
  3. Step 3: Cross multiply
    53,146.04x = 79,723.65 × 13,702.82
  4. Step 4: Simplify right side
    53,146.04x = 1,092,438,825.69
  5. Step 5: Solve for x
    x = 1,092,438,825.69/53,146.04
  6. Step 6: Final answer
    x = 20,555.41

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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.