Home / 42,765.19-64,159.53-17,816.92

Finding the Fourth Proportional to 42,765.19, 64,159.53 and 17,816.92

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Solution

The fourth proportional to 42,765.19, 64,159.53 and 17,816.92 is: 26,730.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,765.19 : 64,159.53 = 17,816.92 : x
  2. Step 2: Convert to fraction form
    42,765.19/64,159.53 = 17,816.92/x
  3. Step 3: Cross multiply
    42,765.19x = 64,159.53 × 17,816.92
  4. Step 4: Simplify right side
    42,765.19x = 1,143,125,213.25
  5. Step 5: Solve for x
    x = 1,143,125,213.25/42,765.19
  6. Step 6: Final answer
    x = 26,730.27

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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.