Home / 35,746.48-49,324.80-19,830.88

Finding the Fourth Proportional to 35,746.48, 49,324.80 and 19,830.88

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Solution

The fourth proportional to 35,746.48, 49,324.80 and 19,830.88 is: 27,363.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,746.48 : 49,324.80 = 19,830.88 : x
  2. Step 2: Convert to fraction form
    35,746.48/49,324.80 = 19,830.88/x
  3. Step 3: Cross multiply
    35,746.48x = 49,324.80 × 19,830.88
  4. Step 4: Simplify right side
    35,746.48x = 978,154,189.82
  5. Step 5: Solve for x
    x = 978,154,189.82/35,746.48
  6. Step 6: Final answer
    x = 27,363.65

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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.