Home / 42,420.09-63,586.41-19,062.93

Finding the Fourth Proportional to 42,420.09, 63,586.41 and 19,062.93

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Solution

The fourth proportional to 42,420.09, 63,586.41 and 19,062.93 is: 28,574.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,420.09 : 63,586.41 = 19,062.93 : x
  2. Step 2: Convert to fraction form
    42,420.09/63,586.41 = 19,062.93/x
  3. Step 3: Cross multiply
    42,420.09x = 63,586.41 × 19,062.93
  4. Step 4: Simplify right side
    42,420.09x = 1,212,143,282.78
  5. Step 5: Solve for x
    x = 1,212,143,282.78/42,420.09
  6. Step 6: Final answer
    x = 28,574.75

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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.