Home / 53,040.48-79,567.20-17,990.16

Finding the Fourth Proportional to 53,040.48, 79,567.20 and 17,990.16

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Solution

The fourth proportional to 53,040.48, 79,567.20 and 17,990.16 is: 26,987.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,040.48 : 79,567.20 = 17,990.16 : x
  2. Step 2: Convert to fraction form
    53,040.48/79,567.20 = 17,990.16/x
  3. Step 3: Cross multiply
    53,040.48x = 79,567.20 × 17,990.16
  4. Step 4: Simplify right side
    53,040.48x = 1,431,426,658.75
  5. Step 5: Solve for x
    x = 1,431,426,658.75/53,040.48
  6. Step 6: Final answer
    x = 26,987.44

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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.