Home / 53,434.58-80,148.63-13,990.82

Finding the Fourth Proportional to 53,434.58, 80,148.63 and 13,990.82

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Solution

The fourth proportional to 53,434.58, 80,148.63 and 13,990.82 is: 20,985.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,434.58 : 80,148.63 = 13,990.82 : x
  2. Step 2: Convert to fraction form
    53,434.58/80,148.63 = 13,990.82/x
  3. Step 3: Cross multiply
    53,434.58x = 80,148.63 × 13,990.82
  4. Step 4: Simplify right side
    53,434.58x = 1,121,345,055.58
  5. Step 5: Solve for x
    x = 1,121,345,055.58/53,434.58
  6. Step 6: Final answer
    x = 20,985.38

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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.