Home / 39,585.34-59,335.08-19,816.21

Finding the Fourth Proportional to 39,585.34, 59,335.08 and 19,816.21

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Solution

The fourth proportional to 39,585.34, 59,335.08 and 19,816.21 is: 29,702.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,585.34 : 59,335.08 = 19,816.21 : x
  2. Step 2: Convert to fraction form
    39,585.34/59,335.08 = 19,816.21/x
  3. Step 3: Cross multiply
    39,585.34x = 59,335.08 × 19,816.21
  4. Step 4: Simplify right side
    39,585.34x = 1,175,796,405.65
  5. Step 5: Solve for x
    x = 1,175,796,405.65/39,585.34
  6. Step 6: Final answer
    x = 29,702.82

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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.