Home / 64,490.13-88,995.92-35,809.65

Finding the Fourth Proportional to 64,490.13, 88,995.92 and 35,809.65

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Solution

The fourth proportional to 64,490.13, 88,995.92 and 35,809.65 is: 49,417.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,490.13 : 88,995.92 = 35,809.65 : x
  2. Step 2: Convert to fraction form
    64,490.13/88,995.92 = 35,809.65/x
  3. Step 3: Cross multiply
    64,490.13x = 88,995.92 × 35,809.65
  4. Step 4: Simplify right side
    64,490.13x = 3,186,912,567.58
  5. Step 5: Solve for x
    x = 3,186,912,567.58/64,490.13
  6. Step 6: Final answer
    x = 49,417.06

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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.