Home / 53,364.24-80,047.80-13,920.48

Finding the Fourth Proportional to 53,364.24, 80,047.80 and 13,920.48

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Solution

The fourth proportional to 53,364.24, 80,047.80 and 13,920.48 is: 20,881.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,364.24 : 80,047.80 = 13,920.48 : x
  2. Step 2: Convert to fraction form
    53,364.24/80,047.80 = 13,920.48/x
  3. Step 3: Cross multiply
    53,364.24x = 80,047.80 × 13,920.48
  4. Step 4: Simplify right side
    53,364.24x = 1,114,303,798.94
  5. Step 5: Solve for x
    x = 1,114,303,798.94/53,364.24
  6. Step 6: Final answer
    x = 20,881.10

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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.