Home / 30,534.24-45,801.99-20,070.99

Finding the Fourth Proportional to 30,534.24, 45,801.99 and 20,070.99

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Solution

The fourth proportional to 30,534.24, 45,801.99 and 20,070.99 is: 30,106.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,534.24 : 45,801.99 = 20,070.99 : x
  2. Step 2: Convert to fraction form
    30,534.24/45,801.99 = 20,070.99/x
  3. Step 3: Cross multiply
    30,534.24x = 45,801.99 × 20,070.99
  4. Step 4: Simplify right side
    30,534.24x = 919,291,283.27
  5. Step 5: Solve for x
    x = 919,291,283.27/30,534.24
  6. Step 6: Final answer
    x = 30,106.90

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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.