Home / 29,430.81-40,615.32-16,002.99

Finding the Fourth Proportional to 29,430.81, 40,615.32 and 16,002.99

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Solution

The fourth proportional to 29,430.81, 40,615.32 and 16,002.99 is: 22,084.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,430.81 : 40,615.32 = 16,002.99 : x
  2. Step 2: Convert to fraction form
    29,430.81/40,615.32 = 16,002.99/x
  3. Step 3: Cross multiply
    29,430.81x = 40,615.32 × 16,002.99
  4. Step 4: Simplify right side
    29,430.81x = 649,966,559.81
  5. Step 5: Solve for x
    x = 649,966,559.81/29,430.81
  6. Step 6: Final answer
    x = 22,084.56

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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.