Home / 40,411.08-60,648.21-28,018.40

Finding the Fourth Proportional to 40,411.08, 60,648.21 and 28,018.40

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Solution

The fourth proportional to 40,411.08, 60,648.21 and 28,018.40 is: 42,049.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,411.08 : 60,648.21 = 28,018.40 : x
  2. Step 2: Convert to fraction form
    40,411.08/60,648.21 = 28,018.40/x
  3. Step 3: Cross multiply
    40,411.08x = 60,648.21 × 28,018.40
  4. Step 4: Simplify right side
    40,411.08x = 1,699,265,503.82
  5. Step 5: Solve for x
    x = 1,699,265,503.82/40,411.08
  6. Step 6: Final answer
    x = 42,049.49

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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.