Home / 29,430.96-40,623.48-16,864.08

Finding the Fourth Proportional to 29,430.96, 40,623.48 and 16,864.08

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Solution

The fourth proportional to 29,430.96, 40,623.48 and 16,864.08 is: 23,277.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,430.96 : 40,623.48 = 16,864.08 : x
  2. Step 2: Convert to fraction form
    29,430.96/40,623.48 = 16,864.08/x
  3. Step 3: Cross multiply
    29,430.96x = 40,623.48 × 16,864.08
  4. Step 4: Simplify right side
    29,430.96x = 685,077,616.60
  5. Step 5: Solve for x
    x = 685,077,616.60/29,430.96
  6. Step 6: Final answer
    x = 23,277.45

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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.