Home / 42,812.04-64,195.38-17,857.08

Finding the Fourth Proportional to 42,812.04, 64,195.38 and 17,857.08

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Solution

The fourth proportional to 42,812.04, 64,195.38 and 17,857.08 is: 26,776.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,812.04 : 64,195.38 = 17,857.08 : x
  2. Step 2: Convert to fraction form
    42,812.04/64,195.38 = 17,857.08/x
  3. Step 3: Cross multiply
    42,812.04x = 64,195.38 × 17,857.08
  4. Step 4: Simplify right side
    42,812.04x = 1,146,342,036.29
  5. Step 5: Solve for x
    x = 1,146,342,036.29/42,812.04
  6. Step 6: Final answer
    x = 26,776.16

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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.