Home / 29,430.90-40,614.47-16,686.50

Finding the Fourth Proportional to 29,430.90, 40,614.47 and 16,686.50

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Solution

The fourth proportional to 29,430.90, 40,614.47 and 16,686.50 is: 23,027.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,430.90 : 40,614.47 = 16,686.50 : x
  2. Step 2: Convert to fraction form
    29,430.90/40,614.47 = 16,686.50/x
  3. Step 3: Cross multiply
    29,430.90x = 40,614.47 × 16,686.50
  4. Step 4: Simplify right side
    29,430.90x = 677,713,353.66
  5. Step 5: Solve for x
    x = 677,713,353.66/29,430.90
  6. Step 6: Final answer
    x = 23,027.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.