Home / 23,290.81-34,938.20-20,549.77

Finding the Fourth Proportional to 23,290.81, 34,938.20 and 20,549.77

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Solution

The fourth proportional to 23,290.81, 34,938.20 and 20,549.77 is: 30,826.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,290.81 : 34,938.20 = 20,549.77 : x
  2. Step 2: Convert to fraction form
    23,290.81/34,938.20 = 20,549.77/x
  3. Step 3: Cross multiply
    23,290.81x = 34,938.20 × 20,549.77
  4. Step 4: Simplify right side
    23,290.81x = 717,971,871.47
  5. Step 5: Solve for x
    x = 717,971,871.47/23,290.81
  6. Step 6: Final answer
    x = 30,826.40

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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.