Home / 30,139.13-41,534.65-22,075.27

Finding the Fourth Proportional to 30,139.13, 41,534.65 and 22,075.27

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Solution

The fourth proportional to 30,139.13, 41,534.65 and 22,075.27 is: 30,421.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,139.13 : 41,534.65 = 22,075.27 : x
  2. Step 2: Convert to fraction form
    30,139.13/41,534.65 = 22,075.27/x
  3. Step 3: Cross multiply
    30,139.13x = 41,534.65 × 22,075.27
  4. Step 4: Simplify right side
    30,139.13x = 916,888,613.11
  5. Step 5: Solve for x
    x = 916,888,613.11/30,139.13
  6. Step 6: Final answer
    x = 30,421.87

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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.