Home / 34,477.59-51,732.18-20,465.40

Finding the Fourth Proportional to 34,477.59, 51,732.18 and 20,465.40

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Solution

The fourth proportional to 34,477.59, 51,732.18 and 20,465.40 is: 30,707.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,477.59 : 51,732.18 = 20,465.40 : x
  2. Step 2: Convert to fraction form
    34,477.59/51,732.18 = 20,465.40/x
  3. Step 3: Cross multiply
    34,477.59x = 51,732.18 × 20,465.40
  4. Step 4: Simplify right side
    34,477.59x = 1,058,719,756.57
  5. Step 5: Solve for x
    x = 1,058,719,756.57/34,477.59
  6. Step 6: Final answer
    x = 30,707.48

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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.