Home / 63,680.12-87,852.26-38,533.40

Finding the Fourth Proportional to 63,680.12, 87,852.26 and 38,533.40

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Solution

The fourth proportional to 63,680.12, 87,852.26 and 38,533.40 is: 53,160.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,680.12 : 87,852.26 = 38,533.40 : x
  2. Step 2: Convert to fraction form
    63,680.12/87,852.26 = 38,533.40/x
  3. Step 3: Cross multiply
    63,680.12x = 87,852.26 × 38,533.40
  4. Step 4: Simplify right side
    63,680.12x = 3,385,246,275.48
  5. Step 5: Solve for x
    x = 3,385,246,275.48/63,680.12
  6. Step 6: Final answer
    x = 53,160.17

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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.