Home / 49,041.20-67,681.84-28,904.32

Finding the Fourth Proportional to 49,041.20, 67,681.84 and 28,904.32

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Solution

The fourth proportional to 49,041.20, 67,681.84 and 28,904.32 is: 39,890.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,041.20 : 67,681.84 = 28,904.32 : x
  2. Step 2: Convert to fraction form
    49,041.20/67,681.84 = 28,904.32/x
  3. Step 3: Cross multiply
    49,041.20x = 67,681.84 × 28,904.32
  4. Step 4: Simplify right side
    49,041.20x = 1,956,297,561.55
  5. Step 5: Solve for x
    x = 1,956,297,561.55/49,041.20
  6. Step 6: Final answer
    x = 39,890.90

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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.