Home / 53,330.49-80,013.02-18,270.45

Finding the Fourth Proportional to 53,330.49, 80,013.02 and 18,270.45

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Solution

The fourth proportional to 53,330.49, 80,013.02 and 18,270.45 is: 27,411.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,330.49 : 80,013.02 = 18,270.45 : x
  2. Step 2: Convert to fraction form
    53,330.49/80,013.02 = 18,270.45/x
  3. Step 3: Cross multiply
    53,330.49x = 80,013.02 × 18,270.45
  4. Step 4: Simplify right side
    53,330.49x = 1,461,873,789.91
  5. Step 5: Solve for x
    x = 1,461,873,789.91/53,330.49
  6. Step 6: Final answer
    x = 27,411.59

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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.