Home / 53,127.90-79,702.37-15,177.50

Finding the Fourth Proportional to 53,127.90, 79,702.37 and 15,177.50

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Solution

The fourth proportional to 53,127.90, 79,702.37 and 15,177.50 is: 22,769.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,127.90 : 79,702.37 = 15,177.50 : x
  2. Step 2: Convert to fraction form
    53,127.90/79,702.37 = 15,177.50/x
  3. Step 3: Cross multiply
    53,127.90x = 79,702.37 × 15,177.50
  4. Step 4: Simplify right side
    53,127.90x = 1,209,682,345.90
  5. Step 5: Solve for x
    x = 1,209,682,345.90/53,127.90
  6. Step 6: Final answer
    x = 22,769.25

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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.