Home / 35,602.76-49,123.62-21,259.79

Finding the Fourth Proportional to 35,602.76, 49,123.62 and 21,259.79

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Solution

The fourth proportional to 35,602.76, 49,123.62 and 21,259.79 is: 29,333.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,602.76 : 49,123.62 = 21,259.79 : x
  2. Step 2: Convert to fraction form
    35,602.76/49,123.62 = 21,259.79/x
  3. Step 3: Cross multiply
    35,602.76x = 49,123.62 × 21,259.79
  4. Step 4: Simplify right side
    35,602.76x = 1,044,357,845.24
  5. Step 5: Solve for x
    x = 1,044,357,845.24/35,602.76
  6. Step 6: Final answer
    x = 29,333.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.