Home / 30,688.47-46,003.55-19,563.93

Finding the Fourth Proportional to 30,688.47, 46,003.55 and 19,563.93

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Solution

The fourth proportional to 30,688.47, 46,003.55 and 19,563.93 is: 29,327.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,688.47 : 46,003.55 = 19,563.93 : x
  2. Step 2: Convert to fraction form
    30,688.47/46,003.55 = 19,563.93/x
  3. Step 3: Cross multiply
    30,688.47x = 46,003.55 × 19,563.93
  4. Step 4: Simplify right side
    30,688.47x = 900,010,134.13
  5. Step 5: Solve for x
    x = 900,010,134.13/30,688.47
  6. Step 6: Final answer
    x = 29,327.31

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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.