Home / 39,904.32-55,068.80-22,000.08

Finding the Fourth Proportional to 39,904.32, 55,068.80 and 22,000.08

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Solution

The fourth proportional to 39,904.32, 55,068.80 and 22,000.08 is: 30,360.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,904.32 : 55,068.80 = 22,000.08 : x
  2. Step 2: Convert to fraction form
    39,904.32/55,068.80 = 22,000.08/x
  3. Step 3: Cross multiply
    39,904.32x = 55,068.80 × 22,000.08
  4. Step 4: Simplify right side
    39,904.32x = 1,211,517,895.50
  5. Step 5: Solve for x
    x = 1,211,517,895.50/39,904.32
  6. Step 6: Final answer
    x = 30,360.57

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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.