Home / 34,167.13-47,154.77-20,019.99

Finding the Fourth Proportional to 34,167.13, 47,154.77 and 20,019.99

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Solution

The fourth proportional to 34,167.13, 47,154.77 and 20,019.99 is: 27,630.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,167.13 : 47,154.77 = 20,019.99 : x
  2. Step 2: Convert to fraction form
    34,167.13/47,154.77 = 20,019.99/x
  3. Step 3: Cross multiply
    34,167.13x = 47,154.77 × 20,019.99
  4. Step 4: Simplify right side
    34,167.13x = 944,038,023.85
  5. Step 5: Solve for x
    x = 944,038,023.85/34,167.13
  6. Step 6: Final answer
    x = 27,630.01

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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.