Home / 30,374.10-45,561.15-26,145.90

Finding the Fourth Proportional to 30,374.10, 45,561.15 and 26,145.90

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Solution

The fourth proportional to 30,374.10, 45,561.15 and 26,145.90 is: 39,218.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,374.10 : 45,561.15 = 26,145.90 : x
  2. Step 2: Convert to fraction form
    30,374.10/45,561.15 = 26,145.90/x
  3. Step 3: Cross multiply
    30,374.10x = 45,561.15 × 26,145.90
  4. Step 4: Simplify right side
    30,374.10x = 1,191,237,271.79
  5. Step 5: Solve for x
    x = 1,191,237,271.79/30,374.10
  6. Step 6: Final answer
    x = 39,218.85

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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.