Home / 53,655.79-80,485.38-25,578.91

Finding the Fourth Proportional to 53,655.79, 80,485.38 and 25,578.91

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Solution

The fourth proportional to 53,655.79, 80,485.38 and 25,578.91 is: 38,369.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,655.79 : 80,485.38 = 25,578.91 : x
  2. Step 2: Convert to fraction form
    53,655.79/80,485.38 = 25,578.91/x
  3. Step 3: Cross multiply
    53,655.79x = 80,485.38 × 25,578.91
  4. Step 4: Simplify right side
    53,655.79x = 2,058,728,291.34
  5. Step 5: Solve for x
    x = 2,058,728,291.34/53,655.79
  6. Step 6: Final answer
    x = 38,369.17

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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.