Home / 42,767.48-64,153.56-19,395.68

Finding the Fourth Proportional to 42,767.48, 64,153.56 and 19,395.68

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Solution

The fourth proportional to 42,767.48, 64,153.56 and 19,395.68 is: 29,094.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,767.48 : 64,153.56 = 19,395.68 : x
  2. Step 2: Convert to fraction form
    42,767.48/64,153.56 = 19,395.68/x
  3. Step 3: Cross multiply
    42,767.48x = 64,153.56 × 19,395.68
  4. Step 4: Simplify right side
    42,767.48x = 1,244,301,920.62
  5. Step 5: Solve for x
    x = 1,244,301,920.62/42,767.48
  6. Step 6: Final answer
    x = 29,094.58

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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.