Home / 42,285.72-63,435.91-14,208.51

Finding the Fourth Proportional to 42,285.72, 63,435.91 and 14,208.51

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Solution

The fourth proportional to 42,285.72, 63,435.91 and 14,208.51 is: 21,315.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,285.72 : 63,435.91 = 14,208.51 : x
  2. Step 2: Convert to fraction form
    42,285.72/63,435.91 = 14,208.51/x
  3. Step 3: Cross multiply
    42,285.72x = 63,435.91 × 14,208.51
  4. Step 4: Simplify right side
    42,285.72x = 901,329,990.60
  5. Step 5: Solve for x
    x = 901,329,990.60/42,285.72
  6. Step 6: Final answer
    x = 21,315.23

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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.