Home / 42,238.04-63,357.08-19,439.68

Finding the Fourth Proportional to 42,238.04, 63,357.08 and 19,439.68

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Solution

The fourth proportional to 42,238.04, 63,357.08 and 19,439.68 is: 29,159.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,238.04 : 63,357.08 = 19,439.68 : x
  2. Step 2: Convert to fraction form
    42,238.04/63,357.08 = 19,439.68/x
  3. Step 3: Cross multiply
    42,238.04x = 63,357.08 × 19,439.68
  4. Step 4: Simplify right side
    42,238.04x = 1,231,641,360.93
  5. Step 5: Solve for x
    x = 1,231,641,360.93/42,238.04
  6. Step 6: Final answer
    x = 29,159.53

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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.